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23231400412142 = 21345712263159437
BaseRepresentation
bin1010100100000111110110…
…10111101000001111101110
310001020220022020102200021202
411102003323113220033232
511021110402001142032
6121224205155325502
74615261521232046
oct522037327501756
9101226266380252
1023231400412142
11744742198934a
122732498bb0892
13cc693368c120
145a459765c726
152a447e59ed62
hex1520fb5e83ee

23231400412142 has 32 divisors (see below), whose sum is σ = 37613067049152. Its totient is φ = 10697783157504.

The previous prime is 23231400412141. The next prime is 23231400412183. The reversal of 23231400412142 is 24121400413232.

It is a super-2 number, since 2×232314004121422 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231400412141) 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, 145629248 + ... + 145788684.

It is an arithmetic number, because the mean of its divisors is an integer number (1175408345286).

Almost surely, 223231400412142 is an apocalyptic number.

23231400412142 is a deficient number, since it is larger than the sum of its proper divisors (14381666637010).

23231400412142 is a wasteful number, since it uses less digits than its factorization.

23231400412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172172.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 23231400412142 its reverse (24121400413232), we get a palindrome (47352800825374).

The spelling of 23231400412142 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred million, four hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 13 26 457 914 5941 11882 12263 24526 159419 159437 318838 318874 2072681 4145362 5604191 11208382 72854483 72862709 145708966 145725418 947215217 1894430434 1955175931 3910351862 25417287103 50834574206 893515400467 1787030800934 11615700206071 23231400412142