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20462881498368 = 283192948356401
BaseRepresentation
bin1001010011100011000101…
…10010000110010100000000
32200110020021101122222001120
410221301202302012110000
510140230440130421433
6111304303515032240
74211252164602321
oct451614262062400
980406241588046
1020462881498368
11657a294159901
122365a1573b680
13b5584534287a
1450a5a1870448
15257446e697b3
hex129c62c86500

20462881498368 has 144 divisors (see below), whose sum is σ = 59304291412800. Its totient is φ = 6239136153600.

The previous prime is 20462881498309. The next prime is 20462881498403. The reversal of 20462881498368 is 86389418826402.

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, 23755033 + ... + 24601368.

Almost surely, 220462881498368 is an apocalyptic number.

It is an amenable number.

20462881498368 is an abundant number, since it is smaller than the sum of its proper divisors (38841409914432).

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

20462881498368 is a wasteful number, since it uses less digits than its factorization.

20462881498368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48356468 (or 48356454 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 69.

The spelling of 20462881498368 in words is "twenty trillion, four hundred sixty-two billion, eight hundred eighty-one million, four hundred ninety-eight thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 29 32 38 48 57 58 64 76 87 96 114 116 128 152 174 192 228 232 256 304 348 384 456 464 551 608 696 768 912 928 1102 1216 1392 1653 1824 1856 2204 2432 2784 3306 3648 3712 4408 4864 5568 6612 7296 7424 8816 11136 13224 14592 17632 22272 26448 35264 52896 70528 105792 141056 211584 423168 48356401 96712802 145069203 193425604 290138406 386851208 580276812 773702416 918771619 1160553624 1402335629 1547404832 1837543238 2321107248 2756314857 2804671258 3094809664 3675086476 4207006887 4642214496 5512629714 5609342516 6189619328 7350172952 8414013774 9284428992 11025259428 11218685032 12379238656 14700345904 16828027548 18568857984 22050518856 22437370064 26644376951 29400691808 33656055096 37137715968 44101037712 44874740128 53288753902 58801383616 67312110192 79933130853 88202075424 89749480256 106577507804 117602767232 134624220384 159866261706 176404150848 179498960512 213155015608 235205534464 269248440768 319732523412 352808301696 358997921024 426310031216 538496881536 639465046824 705616603392 852620062432 1076993763072 1278930093648 1705240124864 2557860187296 3410480249728 5115720374592 6820960499456 10231440749184 20462881498368