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1115890288127 = 23152993171251
BaseRepresentation
bin10000001111010000001…
…111101000010111111111
310221200022022110001010122
4100033100033220113333
5121240320403210002
62212344413325155
7143422541643116
oct20172017502777
93850268401118
101115890288127
113a0278a8171a
121603254967bb
13812c6bca324
143c01ba3ac7d
151e060a246a2
hex103d03e85ff

1115890288127 has 8 divisors (see below), whose sum is σ = 1164483734400. Its totient is φ = 1067303215000.

The previous prime is 1115890288103. The next prime is 1115890288129. The reversal of 1115890288127 is 7218820985111.

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 1115890288127 - 26 = 1115890288063 is a prime.

It is a super-2 number, since 2×11158902881272 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115890288129) 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, 1233749 + ... + 1937502.

It is an arithmetic number, because the mean of its divisors is an integer number (145560466800).

Almost surely, 21115890288127 is an apocalyptic number.

1115890288127 is a deficient number, since it is larger than the sum of its proper divisors (48593446273).

1115890288127 is a wasteful number, since it uses less digits than its factorization.

1115890288127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186573.

The product of its (nonzero) digits is 645120, while the sum is 53.

The spelling of 1115890288127 in words is "one trillion, one hundred fifteen billion, eight hundred ninety million, two hundred eighty-eight thousand, one hundred twenty-seven".

Divisors: 1 23 15299 351877 3171251 72938773 48516969049 1115890288127