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23400236363631 = 3131220351270217
BaseRepresentation
bin1010101001000010010101…
…10001101010111101101111
310001212001002201001200001020
411110201022301222331233
511031342141002114011
6121433530431545223
74633416446155551
oct524411261527557
9101761081050036
1023400236363631
117501a91425656
12275b15798b213
13100982c3cb8ba
145ac8128834d1
152a8a61b12006
hex15484ac6af6f

23400236363631 has 16 divisors (see below), whose sum is σ = 31438744516608. Its totient is φ = 15480944856000.

The previous prime is 23400236363617. The next prime is 23400236363657. The reversal of 23400236363631 is 13636363200432.

It is not a de Polignac number, because 23400236363631 - 211 = 23400236361583 is a prime.

It is a super-2 number, since 2×234002363636312 (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 (23400236363611) 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, 86462835 + ... + 86733051.

It is an arithmetic number, because the mean of its divisors is an integer number (1964921532288).

Almost surely, 223400236363631 is an apocalyptic number.

23400236363631 is a deficient number, since it is larger than the sum of its proper divisors (8038508152977).

23400236363631 is a wasteful number, since it uses less digits than its factorization.

23400236363631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490702.

The product of its (nonzero) digits is 839808, while the sum is 42.

The spelling of 23400236363631 in words is "twenty-three trillion, four hundred billion, two hundred thirty-six million, three hundred sixty-three thousand, six hundred thirty-one".

Divisors: 1 3 131 393 220351 270217 661053 810651 28865981 35398427 86597943 106195281 59542586167 178627758501 7800078787877 23400236363631