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188753283137 = 1961460335381
BaseRepresentation
bin1010111111001010010…
…0101000100001000001
3200001012112121021100102
42233302210220201001
511043031320030022
6222413445532145
716431324302006
oct2576244504101
9601175537312
10188753283137
1173060342381
12306b9114055
1314a51261623
1491c854b8ad
154d9adeda92
hex2bf2928841

188753283137 has 16 divisors (see below), whose sum is σ = 201994422720. Its totient is φ = 175844260800.

The previous prime is 188753283113. The next prime is 188753283143. The reversal of 188753283137 is 731382357881.

It is not a de Polignac number, because 188753283137 - 234 = 171573413953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188753283157) 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, 5317187 + ... + 5352567.

It is an arithmetic number, because the mean of its divisors is an integer number (12624651420).

Almost surely, 2188753283137 is an apocalyptic number.

It is an amenable number.

188753283137 is a deficient number, since it is larger than the sum of its proper divisors (13241139583).

188753283137 is a wasteful number, since it uses less digits than its factorization.

188753283137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064.

The product of its digits is 6773760, while the sum is 56.

The spelling of 188753283137 in words is "one hundred eighty-eight billion, seven hundred fifty-three million, two hundred eighty-three thousand, one hundred thirty-seven".

Divisors: 1 19 61 1159 4603 35381 87457 280783 672239 2158241 5334877 41006579 162858743 3094316117 9934383323 188753283137