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136203302631 = 31119720951131
BaseRepresentation
bin111111011011001011…
…0010111011011100111
3111000120020112200002010
41332312112113123213
54212421021141011
6142323153245303
712561146653524
oct1766626273347
9430506480063
10136203302631
1152844239220
1222492263833
13cac8112bc6
1468412ba14b
1538227591a6
hex1fb65976e7

136203302631 has 16 divisors (see below), whose sum is σ = 199119558528. Its totient is φ = 82128429600.

The previous prime is 136203302621. The next prime is 136203302639.

136203302631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136203302631 - 26 = 136203302567 is a prime.

It is a super-2 number, since 2×1362033026312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136203302639) 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, 10469065 + ... + 10482066.

It is an arithmetic number, because the mean of its divisors is an integer number (12444972408).

Almost surely, 2136203302631 is an apocalyptic number.

136203302631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136203302631 is a deficient number, since it is larger than the sum of its proper divisors (62916255897).

136203302631 is a wasteful number, since it uses less digits than its factorization.

136203302631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951342.

The product of its (nonzero) digits is 11664, while the sum is 30.

It can be divided in two parts, 136203 and 302631, that added together give a palindrome (438834).

The spelling of 136203302631 in words is "one hundred thirty-six billion, two hundred three million, three hundred two thousand, six hundred thirty-one".

Divisors: 1 3 11 33 197 591 2167 6501 20951131 62853393 230462441 691387323 4127372807 12382118421 45401100877 136203302631