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23379648021 = 32172333671787
BaseRepresentation
bin10101110001100010…
…010001111000010101
32020100100221011202200
4111301202101320111
5340340142214041
614423534555113
71455240505062
oct256142217025
966310834680
1023379648021
119a08224664
124645968a99
132287926072
1411bb0b5c69
1591c8031b6
hex571891e15

23379648021 has 48 divisors (see below), whose sum is σ = 36028571904. Its totient is φ = 14558671872.

The previous prime is 23379647989. The next prime is 23379648031. The reversal of 23379648021 is 12084697332.

It is not a de Polignac number, because 23379648021 - 25 = 23379647989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23379648031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13082290 + ... + 13084076.

It is an arithmetic number, because the mean of its divisors is an integer number (750595248).

Almost surely, 223379648021 is an apocalyptic number.

It is an amenable number.

23379648021 is a deficient number, since it is larger than the sum of its proper divisors (12648923883).

23379648021 is a wasteful number, since it uses less digits than its factorization.

23379648021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 23379648021 in words is "twenty-three billion, three hundred seventy-nine million, six hundred forty-eight thousand, twenty-one".

Divisors: 1 3 9 17 51 153 233 367 699 1101 1787 2097 3303 3961 5361 6239 11883 16083 18717 30379 35649 56151 85511 91137 256533 273411 416371 655829 769599 1249113 1453687 1967487 3747339 4361061 5902461 7078307 11149093 13083183 21234921 33447279 63704763 100341837 152808157 458424471 1375273413 2597738669 7793216007 23379648021