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213697113 = 37531011901
BaseRepresentation
bin11001011110011…
…00001001011001
3112220002221022220
430233030021121
5414201301423
633112134253
75203252440
oct1457141131
9486087286
10213697113
11aa698893
125b697389
13353718c6
1420549d57
1513b629e3
hexcbcc259

213697113 has 32 divisors (see below), whose sum is σ = 335238912. Its totient is φ = 118560000.

The previous prime is 213697093. The next prime is 213697139. The reversal of 213697113 is 311796312.

213697113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213697113 - 26 = 213697049 is a prime.

It is a super-2 number, since 2×2136971132 = 91332912209069538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213697193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111463 + ... + 113363.

It is an arithmetic number, because the mean of its divisors is an integer number (10476216).

Almost surely, 2213697113 is an apocalyptic number.

It is an amenable number.

213697113 is a deficient number, since it is larger than the sum of its proper divisors (121541799).

213697113 is a wasteful number, since it uses less digits than its factorization.

213697113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 6804, while the sum is 33.

The square root of 213697113 is about 14618.3827080837. The cubic root of 213697113 is about 597.8600741580.

It can be divided in two parts, 21369 and 7113, that added together give a palindrome (28482).

The spelling of 213697113 in words is "two hundred thirteen million, six hundred ninety-seven thousand, one hundred thirteen".

Divisors: 1 3 7 21 53 101 159 303 371 707 1113 1901 2121 5353 5703 13307 16059 37471 39921 100753 112413 192001 302259 576003 705271 1344007 2115813 4032021 10176053 30528159 71232371 213697113