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188857094401 = 6167229201787
BaseRepresentation
bin1010111111100011000…
…0101001000100000001
3200001110202221102122001
42233320300221010001
511043234404010101
6222432034544001
716434024546523
oct2577060510401
9601422842561
10188857094401
11731039a7308
1230727a38001
1314a6990ab01
1491d8251a13
154da50a7901
hex2bf8c29101

188857094401 has 16 divisors (see below), whose sum is σ = 195669787840. Its totient is φ = 182188543680.

The previous prime is 188857094347. The next prime is 188857094407. The reversal of 188857094401 is 104490758881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-188857094401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (188857094407) 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, 835030 + ... + 1036816.

It is an arithmetic number, because the mean of its divisors is an integer number (12229361740).

Almost surely, 2188857094401 is an apocalyptic number.

It is an amenable number.

188857094401 is a deficient number, since it is larger than the sum of its proper divisors (6812693439).

188857094401 is a wasteful number, since it uses less digits than its factorization.

188857094401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202144.

The product of its (nonzero) digits is 2580480, while the sum is 55.

The spelling of 188857094401 in words is "one hundred eighty-eight billion, eight hundred fifty-seven million, ninety-four thousand, four hundred one".

Divisors: 1 61 67 229 4087 13969 15343 201787 935923 12309007 13519729 46209223 824703469 2818762603 3096017941 188857094401