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13630549408 = 2571710932839
BaseRepresentation
bin11001011000111000…
…11010110110100000
31022011221021122122021
430230130122312200
5210403410040113
610132313551224
7661530521050
oct145434326640
938157248567
1013630549408
1158650a9573
122784a15514
131392c05668
149343c5560
1554b9a648d
hex32c71ada0

13630549408 has 96 divisors (see below), whose sum is σ = 32771692800. Its totient is φ = 5447430144.

The previous prime is 13630549397. The next prime is 13630549417. The reversal of 13630549408 is 80494503631.

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, 398653 + ... + 431491.

It is an arithmetic number, because the mean of its divisors is an integer number (341371800).

Almost surely, 213630549408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13630549408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16385846400).

13630549408 is an abundant number, since it is smaller than the sum of its proper divisors (19141143392).

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

13630549408 is a wasteful number, since it uses less digits than its factorization.

13630549408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32982 (or 32974 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 13630549408 in words is "thirteen billion, six hundred thirty million, five hundred forty-nine thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 109 112 119 136 218 224 238 272 436 476 544 763 872 952 1526 1744 1853 1904 3052 3488 3706 3808 6104 7412 12208 12971 14824 24416 25942 29648 32839 51884 59296 65678 103768 131356 207536 229873 262712 415072 459746 525424 558263 919492 1050848 1116526 1838984 2233052 3579451 3677968 3907841 4466104 7158902 7355936 7815682 8932208 14317804 15631364 17864416 25056157 28635608 31262728 50112314 57271216 60850667 62525456 100224628 114542432 121701334 125050912 200449256 243402668 400898512 425954669 486805336 801797024 851909338 973610672 1703818676 1947221344 3407637352 6815274704 13630549408