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23391330100 = 2252233913301
BaseRepresentation
bin10101110010001110…
…110101111100110100
32020101011220200120021
4111302032311330310
5340401140030400
614425033214524
71455442011445
oct256216657464
966334820507
1023391330100
119a13883576
124649861444
13228a186438
1411bc8772cc
1591d85e71a
hex5723b5f34

23391330100 has 18 divisors (see below), whose sum is σ = 50759186534. Its totient is φ = 9356532000.

The previous prime is 23391330097. The next prime is 23391330113. The reversal of 23391330100 is 103319332.

It can be written as a sum of positive squares in 3 ways, for example, as 2521744 + 23388808356 = 1588^2 + 152934^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116956551 + ... + 116956750.

Almost surely, 223391330100 is an apocalyptic number.

23391330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23391330100 is an abundant number, since it is smaller than the sum of its proper divisors (27367856434).

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

23391330100 is a wasteful number, since it uses less digits than its factorization.

23391330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233913315 (or 233913308 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 23391330100 its reverse (103319332), we get a palindrome (23494649432).

The spelling of 23391330100 in words is "twenty-three billion, three hundred ninety-one million, three hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 233913301 467826602 935653204 1169566505 2339133010 4678266020 5847832525 11695665050 23391330100