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22031231201300 = 2252599367800187
BaseRepresentation
bin1010000001001100010111…
…01101011011000000010100
32220000011110101022202200002
411000212023231123000110
510341424430141420200
6114505001412110432
74432463306244656
oct500461355330024
986004411282602
1022031231201300
117024435729692
122579972905418
13c3a6c800a379
145624628886d6
15283139adcbd5
hex14098bb5b014

22031231201300 has 36 divisors (see below), whose sum is σ = 47887584477600. Its totient is φ = 8797780449120.

The previous prime is 22031231201267. The next prime is 22031231201303. The reversal of 22031231201300 is 310213213022.

It is a super-2 number, since 2×220312312013002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031231201303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183840194 + ... + 183959993.

Almost surely, 222031231201300 is an apocalyptic number.

22031231201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031231201300 is an abundant number, since it is smaller than the sum of its proper divisors (25856353276300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22031231201300 is a wasteful number, since it uses less digits than its factorization.

22031231201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367800800 (or 367800793 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22031231201300 its reverse (310213213022), we get a palindrome (22341444414322).

The spelling of 22031231201300 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-one million, two hundred one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 599 1198 2396 2995 5990 11980 14975 29950 59900 367800187 735600374 1471200748 1839000935 3678001870 7356003740 9195004675 18390009350 36780018700 220312312013 440624624026 881249248052 1101561560065 2203123120130 4406246240260 5507807800325 11015615600650 22031231201300