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23601000620 = 2251251194321
BaseRepresentation
bin10101111110101110…
…101011000010101100
32020220210110001110002
4111332232223002230
5341313324004440
614501523203432
71463566123661
oct257656530254
966823401402
1023601000620
11a01117109a
1246a7b16578
1322c1748332
1411dc655a68
15931e79115
hex57ebab0ac

23601000620 has 24 divisors (see below), whose sum is σ = 49566588288. Its totient is φ = 9439545600.

The previous prime is 23601000611. The next prime is 23601000623. The reversal of 23601000620 is 2600010632.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23601000592 and 23601000601.

It is not an unprimeable number, because it can be changed into a prime (23601000623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203060 + ... + 297380.

It is an arithmetic number, because the mean of its divisors is an integer number (2065274512).

Almost surely, 223601000620 is an apocalyptic number.

23601000620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23601000620 is an abundant number, since it is smaller than the sum of its proper divisors (25965587668).

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

23601000620 is a wasteful number, since it uses less digits than its factorization.

23601000620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106841 (or 106839 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 23601000620 in words is "twenty-three billion, six hundred one million, six hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 12511 25022 50044 62555 94321 125110 188642 250220 377284 471605 943210 1886420 1180050031 2360100062 4720200124 5900250155 11800500310 23601000620