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30807418838272 = 2815721130711833
BaseRepresentation
bin1110000000100111010010…
…10000011001110100000000
311001002011022222200112100121
413000103221100121310000
513014222043210311042
6145304422143030024
76326522362312306
oct700235120316400
9131064288615317
1030807418838272
1198a839787184a
12355682629b314
1314261863ca84b
14787130b38276
1538658956a367
hex1c04e9419d00

30807418838272 has 144 divisors (see below), whose sum is σ = 62387291213632. Its totient is φ = 15182156021760.

The previous prime is 30807418838257. The next prime is 30807418838281. The reversal of 30807418838272 is 27283881470803.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30807418838272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603511268 + ... + 2603523100.

Almost surely, 230807418838272 is an apocalyptic number.

30807418838272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30807418838272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31193645606816).

30807418838272 is an abundant number, since it is smaller than the sum of its proper divisors (31579872375360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30807418838272 is a wasteful number, since it uses less digits than its factorization.

30807418838272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524 (or 12510 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 30807418838272 in words is "thirty trillion, eight hundred seven billion, four hundred eighteen million, eight hundred thirty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 157 211 256 307 314 422 614 628 844 1228 1256 1688 2456 2512 3376 4912 5024 6752 9824 10048 11833 13504 19648 20096 23666 27008 33127 39296 40192 47332 48199 54016 64777 66254 78592 94664 96398 129554 132508 189328 192796 259108 265016 378656 385592 518216 530032 757312 771184 1036432 1060064 1514624 1542368 1857781 2072864 2120128 2496763 3029248 3084736 3632731 3715562 4145728 4240256 4993526 6169472 7265462 7431124 8291456 8480512 9987052 10169989 12338944 14530924 14862248 16582912 19974104 20339978 29061848 29724496 39948208 40679956 58123696 59448992 79896416 81359912 116247392 118897984 159792832 162719824 232494784 237795968 319585664 325439648 391991791 464989568 475591936 570338767 639171328 650879296 766506241 783983582 929979136 1140677534 1301758592 1533012482 1567967164 2281355068 2603517184 3066024964 3135934328 4562710136 6132049928 6271868656 9125420272 12264099856 12543737312 18250840544 24528199712 25087474624 36501681088 49056399424 50174949248 73003362176 98112798848 100349898496 120341479837 146006724352 196225597696 240682959674 481365919348 962731838696 1925463677392 3850927354784 7701854709568 15403709419136 30807418838272