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23312747340 = 22325129515263
BaseRepresentation
bin10101101101100011…
…000100101101001100
32020011201001021021200
4111231203010231030
5340221030403330
614413145025500
71453466040261
oct255543045514
966151037250
1023312747340
119983490143
124627485290
132276b0116c
1411b225d268
159169daa60
hex56d8c4b4c

23312747340 has 36 divisors (see below), whose sum is σ = 70715334144. Its totient is φ = 6216732576.

The previous prime is 23312747333. The next prime is 23312747413. The reversal of 23312747340 is 4374721332.

23312747340 is a `hidden beast` number, since 23 + 3 + 127 + 473 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23312747295 and 23312747304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64757452 + ... + 64757811.

Almost surely, 223312747340 is an apocalyptic number.

23312747340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312747340 is an abundant number, since it is smaller than the sum of its proper divisors (47402586804).

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

23312747340 is a wasteful number, since it uses less digits than its factorization.

23312747340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129515278 (or 129515273 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 23312747340 in words is "twenty-three billion, three hundred twelve million, seven hundred forty-seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 129515263 259030526 388545789 518061052 647576315 777091578 1165637367 1295152630 1554183156 1942728945 2331274734 2590305260 3885457890 4662549468 5828186835 7770915780 11656373670 23312747340