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102013112 = 2312751639
BaseRepresentation
bin1100001010010…
…01100010111000
321002221210200102
412011021202320
5202103404422
614042254532
72346045215
oct605114270
9232853612
10102013112
1152646a63
122a1b7448
1318199bb6
14d796b0c
158e51192
hex61498b8

102013112 has 8 divisors (see below), whose sum is σ = 191274600. Its totient is φ = 51006552.

The previous prime is 102013111. The next prime is 102013151. The reversal of 102013112 is 211310201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102013093 and 102013102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102013111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375812 + ... + 6375827.

It is an arithmetic number, because the mean of its divisors is an integer number (23909325).

Almost surely, 2102013112 is an apocalyptic number.

It is an amenable number.

102013112 is a deficient number, since it is larger than the sum of its proper divisors (89261488).

102013112 is a wasteful number, since it uses less digits than its factorization.

102013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751645 (or 12751641 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102013112 is about 10100.1540582310. The cubic root of 102013112 is about 467.2528927536.

Adding to 102013112 its reverse (211310201), we get a palindrome (313323313).

The spelling of 102013112 in words is "one hundred two million, thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 12751639 25503278 51006556 102013112