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19268131441968 = 24321250310701949
BaseRepresentation
bin1000110000110001101100…
…01000010100110100110000
32112020000102012122121210200
410120120312020110310300
510011142113122120333
6104551353554555200
74026035154642303
oct430306610246460
975200365577720
1019268131441968
116159628975082
1221b2362298b00
13a99c91609586
144a88226aab3a
1523631d107c13
hex118636214d30

19268131441968 has 60 divisors (see below), whose sum is σ = 53928324668400. Its totient is φ = 6422196187008.

The previous prime is 19268131441961. The next prime is 19268131441987. The reversal of 19268131441968 is 86914413186291.

19268131441968 is a `hidden beast` number, since 1 + 9 + 26 + 8 + 131 + 4 + 419 + 68 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19268131441961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3550543 + ... + 7151406.

It is an arithmetic number, because the mean of its divisors is an integer number (898805411140).

Almost surely, 219268131441968 is an apocalyptic number.

19268131441968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19268131441968 is an abundant number, since it is smaller than the sum of its proper divisors (34660193226432).

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

19268131441968 is a wasteful number, since it uses less digits than its factorization.

19268131441968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714466 (or 10714457 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The spelling of 19268131441968 in words is "nineteen trillion, two hundred sixty-eight billion, one hundred thirty-one million, four hundred forty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 12503 25006 37509 50012 75018 100024 112527 150036 200048 225054 300072 450108 600144 900216 1800432 10701949 21403898 32105847 42807796 64211694 85615592 96317541 128423388 171231184 192635082 256846776 385270164 513693552 770540328 1541080656 133806468347 267612936694 401419405041 535225873388 802838810082 1070451746776 1204258215123 1605677620164 2140903493552 2408516430246 3211355240328 4817032860492 6422710480656 9634065720984 19268131441968