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2112753737161 = 157167181445199
BaseRepresentation
bin11110101111101001111…
…011111001110111001001
321110222101102220011120101
4132233221323321313021
5234103404424042121
64254330300525401
7305433002312524
oct36575173716711
97428342804511
102112753737161
11745017450431
122a1570b50861
13124302411142
1474387693bbb
1539e56c22491
hex1ebe9ef9dc9

2112753737161 has 16 divisors (see below), whose sum is σ = 2150764761600. Its totient is φ = 2075192533440.

The previous prime is 2112753737123. The next prime is 2112753737173. The reversal of 2112753737161 is 1617373572112.

It is a cyclic number.

It is not a de Polignac number, because 2112753737161 - 231 = 2110606253513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112753731161) 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, 4523040 + ... + 4968238.

It is an arithmetic number, because the mean of its divisors is an integer number (134422797600).

Almost surely, 22112753737161 is an apocalyptic number.

It is an amenable number.

2112753737161 is a deficient number, since it is larger than the sum of its proper divisors (38011024439).

2112753737161 is a wasteful number, since it uses less digits than its factorization.

2112753737161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445704.

The product of its digits is 370440, while the sum is 46.

The spelling of 2112753737161 in words is "two trillion, one hundred twelve billion, seven hundred fifty-three million, seven hundred thirty-seven thousand, one hundred sixty-one".

Divisors: 1 157 167 181 26219 28417 30227 445199 4745639 69896243 74348233 80581019 11672672581 12651219983 13457030173 2112753737161