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23455115340 = 2235625762477
BaseRepresentation
bin10101110110000010…
…001010100001001100
32020112121221022110120
4111312002022201030
5341014002142330
614435232304540
71460145122316
oct256602124114
966477838416
1023455115340
119a4688a348
1246670a2150
13229a45a297
1411c711c7b6
1592425dc10
hex57608a84c

23455115340 has 48 divisors (see below), whose sum is σ = 65685870432. Its totient is φ = 6253597696.

The previous prime is 23455115317. The next prime is 23455115351. The reversal of 23455115340 is 4351155432.

It is a super-2 number, since 2×234551153402 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344182 + ... + 406658.

It is an arithmetic number, because the mean of its divisors is an integer number (1368455634).

Almost surely, 223455115340 is an apocalyptic number.

23455115340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23455115340 is an abundant number, since it is smaller than the sum of its proper divisors (42230755092).

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

23455115340 is a wasteful number, since it uses less digits than its factorization.

23455115340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68746 (or 68744 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 23455115340 in words is "twenty-three billion, four hundred fifty-five million, one hundred fifteen thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6257 12514 18771 25028 31285 37542 62477 62570 75084 93855 124954 125140 187431 187710 249908 312385 374862 375420 624770 749724 937155 1249540 1874310 3748620 390918589 781837178 1172755767 1563674356 1954592945 2345511534 3909185890 4691023068 5863778835 7818371780 11727557670 23455115340