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12954792103880 = 2351131949764817
BaseRepresentation
bin1011110010000100010111…
…0010000000111111001000
31200212110120201212110100112
42330201011302000333020
53144222403234311010
643315203242253452
72504644553001104
oct274410562007710
950773521773315
1012954792103880
114145107459280
1215528857b7288
1372c829986c23
1432b02dd1a904
15176eb587ea05
hexbc845c80fc8

12954792103880 has 64 divisors (see below), whose sum is σ = 32823872110080. Its totient is φ = 4558871116800.

The previous prime is 12954792103837. The next prime is 12954792103919. The reversal of 12954792103880 is 8830129745921.

It is a super-2 number, since 2×129547921038802 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474868769 + ... + 474896048.

It is an arithmetic number, because the mean of its divisors is an integer number (512873001720).

Almost surely, 212954792103880 is an apocalyptic number.

12954792103880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12954792103880 is an abundant number, since it is smaller than the sum of its proper divisors (19869080006200).

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

12954792103880 is a wasteful number, since it uses less digits than its factorization.

12954792103880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949764870 (or 949764866 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 12954792103880 in words is "twelve trillion, nine hundred fifty-four billion, seven hundred ninety-two million, one hundred three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 155 220 248 310 341 440 620 682 1240 1364 1705 2728 3410 6820 13640 949764817 1899529634 3799059268 4748824085 7598118536 9497648170 10447412987 18995296340 20894825974 29442709327 37990592680 41789651948 52237064935 58885418654 83579303896 104474129870 117770837308 147213546635 208948259740 235541674616 294427093270 323869802597 417896519480 588854186540 647739605194 1177708373080 1295479210388 1619349012985 2590958420776 3238698025970 6477396051940 12954792103880