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235438037130 = 23538920174639
BaseRepresentation
bin1101101101000100110…
…0110101100010001010
3211111201002012111102010
43123101030311202022
512324134114142010
6300054142120350
723003242203342
oct3332114654212
9744632174363
10235438037130
11909376a7a9a
12397678800b6
131928121170a
14b576853d22
1561ce6cd620
hex36d133588a

235438037130 has 32 divisors (see below), whose sum is σ = 566503891200. Its totient is φ = 62622076352.

The previous prime is 235438037111. The next prime is 235438037137. The reversal of 235438037130 is 31730834532.

It is not an unprimeable number, because it can be changed into a prime (235438037137) 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, 10075650 + ... + 10098989.

It is an arithmetic number, because the mean of its divisors is an integer number (17703246600).

Almost surely, 2235438037130 is an apocalyptic number.

235438037130 is an abundant number, since it is smaller than the sum of its proper divisors (331065854070).

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

235438037130 is a wasteful number, since it uses less digits than its factorization.

235438037130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20175038.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 235438037130 in words is "two hundred thirty-five billion, four hundred thirty-eight million, thirty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 389 778 1167 1945 2334 3890 5835 11670 20174639 40349278 60523917 100873195 121047834 201746390 302619585 605239170 7847934571 15695869142 23543803713 39239672855 47087607426 78479345710 117719018565 235438037130