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11861535107 = 109419259717
BaseRepresentation
bin10110000110000000…
…01010100110000011
31010121122120102020002
423003000022212003
5143243023110412
65241001510215
7566640246002
oct130300124603
933548512202
1011861535107
115037588984
1223704a236b
131170574136
14807496c39
1549651ddc2
hex2c300a983

11861535107 has 8 divisors (see below), whose sum is σ = 11998971600. Its totient is φ = 11724619104.

The previous prime is 11861535067. The next prime is 11861535109. The reversal of 11861535107 is 70153516811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11861535107 - 230 = 10787793283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11861535109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84188 + ... + 175529.

It is an arithmetic number, because the mean of its divisors is an integer number (1499871450).

Almost surely, 211861535107 is an apocalyptic number.

11861535107 is a deficient number, since it is larger than the sum of its proper divisors (137436493).

11861535107 is a wasteful number, since it uses less digits than its factorization.

11861535107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260245.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 11861535107 in words is "eleven billion, eight hundred sixty-one million, five hundred thirty-five thousand, one hundred seven".

Divisors: 1 109 419 45671 259717 28309153 108821423 11861535107