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113011230221 = 8315711637457
BaseRepresentation
bin110100100111111111…
…1101000011000001101
3101210200221120022200022
41221033333220120031
53322421333331341
6123525554511525
711110344415211
oct1511777503015
9353627508608
10113011230221
1143a22990a2a
1219a9b2955a5
13a870313c36
1456810b0941
152e16658e4b
hex1a4ffe860d

113011230221 has 16 divisors (see below), whose sum is σ = 115215718464. Its totient is φ = 110828250624.

The previous prime is 113011230119. The next prime is 113011230251. The reversal of 113011230221 is 122032110311.

It is a de Polignac number, because none of the positive numbers 2k-113011230221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113011230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011230251) 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, 15151325 + ... + 15158781.

It is an arithmetic number, because the mean of its divisors is an integer number (7200982404).

Almost surely, 2113011230221 is an apocalyptic number.

It is an amenable number.

113011230221 is a deficient number, since it is larger than the sum of its proper divisors (2204488243).

113011230221 is a wasteful number, since it uses less digits than its factorization.

113011230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113011230221 its reverse (122032110311), we get a palindrome (235043340532).

The spelling of 113011230221 in words is "one hundred thirteen billion, eleven million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 83 157 1163 7457 13031 96529 182591 618931 1170749 8672491 15155053 97172167 719816753 1361581087 113011230221