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10957049940 = 2235997183167
BaseRepresentation
bin10100011010001011…
…10101000001010100
31001021121121210211110
422031011311001110
5134420001044230
65011131335020
7535345250004
oct121505650124
931247553743
1010957049940
114712a72881
1221595b1470
13105806a105
1475d2d0004
15441e084b0
hex28d175054

10957049940 has 48 divisors (see below), whose sum is σ = 30710679552. Its totient is φ = 2918933376.

The previous prime is 10957049897. The next prime is 10957049947. The reversal of 10957049940 is 4994075901.

It is a self number, because there is not a number n which added to its sum of digits gives 10957049940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10957049947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31764 + ... + 151403.

It is an arithmetic number, because the mean of its divisors is an integer number (639805824).

Almost surely, 210957049940 is an apocalyptic number.

10957049940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10957049940 is an abundant number, since it is smaller than the sum of its proper divisors (19753629612).

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

10957049940 is a wasteful number, since it uses less digits than its factorization.

10957049940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184176 (or 184174 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 10957049940 in words is "ten billion, nine hundred fifty-seven million, forty-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 997 1994 2991 3988 4985 5982 9970 11964 14955 19940 29910 59820 183167 366334 549501 732668 915835 1099002 1831670 2198004 2747505 3663340 5495010 10990020 182617499 365234998 547852497 730469996 913087495 1095704994 1826174990 2191409988 2739262485 3652349980 5478524970 10957049940