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101200113231 = 3719253634369
BaseRepresentation
bin101111000111111111…
…1110010111001001111
3100200012210212102002220
41132033333302321033
53124224212110411
6114253553350423
710211555524620
oct1361777627117
9320183772086
10101200113231
1139a11909a18
1217743868413
13970a343609
144c805bda47
152974798b06
hex178fff2e4f

101200113231 has 16 divisors (see below), whose sum is σ = 162325996800. Its totient is φ = 54785023488.

The previous prime is 101200113187. The next prime is 101200113239. The reversal of 101200113231 is 132311002101.

It is a happy number.

It is not a de Polignac number, because 101200113231 - 222 = 101195918927 is a prime.

It is a super-2 number, since 2×1012001132312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101200113231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200113239) 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, 126816786 + ... + 126817583.

It is an arithmetic number, because the mean of its divisors is an integer number (10145374800).

Almost surely, 2101200113231 is an apocalyptic number.

101200113231 is a deficient number, since it is larger than the sum of its proper divisors (61125883569).

101200113231 is a wasteful number, since it uses less digits than its factorization.

101200113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253634398.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101200113231 its reverse (132311002101), we get a palindrome (233511115332).

The spelling of 101200113231 in words is "one hundred one billion, two hundred million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 7 19 21 57 133 399 253634369 760903107 1775440583 4819053011 5326321749 14457159033 33733371077 101200113231