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10957509120 = 293517234189
BaseRepresentation
bin10100011010001111…
…00101001000000000
31001021122111010201010
422031013211020000
5134420110242440
65011145240520
7535352201505
oct121507451000
931248433633
1010957509120
114713256868
122159793140
13105819b10c
1475d3ad4ac
15441e99580
hex28d1e5200

10957509120 has 640 divisors, whose sum is σ = 40092433920. Its totient is φ = 2537553920.

The previous prime is 10957509107. The next prime is 10957509131. The reversal of 10957509120 is 2190575901.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×109575091202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123118036 + ... + 123118124.

It is an arithmetic number, because the mean of its divisors is an integer number (62644428).

Almost surely, 210957509120 is an apocalyptic number.

10957509120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10957509120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20046216960).

10957509120 is an abundant number, since it is smaller than the sum of its proper divisors (29134924800).

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

10957509120 is a wasteful number, since it uses less digits than its factorization.

10957509120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 39.

The spelling of 10957509120 in words is "ten billion, nine hundred fifty-seven million, five hundred nine thousand, one hundred twenty".