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15700113 = 32112131109
BaseRepresentation
bin111011111001…
…000010010001
31002112122111200
4323321002101
513004400423
61320301413
7250306632
oct73710221
932478450
1015700113
118953800
125311869
133339210
142129889
1515a1d43
hexef9091

15700113 has 36 divisors (see below), whose sum is σ = 26868660. Its totient is φ = 8775360.

The previous prime is 15700109. The next prime is 15700133. The reversal of 15700113 is 31100751.

It is a happy number.

15700113 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 14653584 = 1023^2 + 3828^2 .

It is not a de Polignac number, because 15700113 - 22 = 15700109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15700133) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13603 + ... + 14711.

Almost surely, 215700113 is an apocalyptic number.

15700113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15700113 is a deficient number, since it is larger than the sum of its proper divisors (11168547).

15700113 is a wasteful number, since it uses less digits than its factorization.

15700113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 15700113 is about 3962.3368105198. The cubic root of 15700113 is about 250.3999624456.

Adding to 15700113 its reverse (31100751), we get a palindrome (46800864).

The spelling of 15700113 in words is "fifteen million, seven hundred thousand, one hundred thirteen".

Divisors: 1 3 9 11 13 33 39 99 117 121 143 363 429 1089 1109 1287 1573 3327 4719 9981 12199 14157 14417 36597 43251 109791 129753 134189 158587 402567 475761 1207701 1427283 1744457 5233371 15700113