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23000032320 = 263523958367
BaseRepresentation
bin10101011010111010…
…001010010001000000
32012100220121200220220
4111122322022101000
5334101002013240
614322134303040
71442651022546
oct253272122100
965326550826
1023000032320
119832a11781
12455a7b7a80
1322270a0aa5
1411828d9d96
158e93195d0
hex55ae8a440

23000032320 has 56 divisors (see below), whose sum is σ = 73025105664. Its totient is φ = 6133341696.

The previous prime is 23000032259. The next prime is 23000032333. The reversal of 23000032320 is 2323000032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23000032320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11978224 + ... + 11980143.

It is an arithmetic number, because the mean of its divisors is an integer number (1304019744).

Almost surely, 223000032320 is an apocalyptic number.

23000032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000032320 is an abundant number, since it is smaller than the sum of its proper divisors (50025073344).

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

23000032320 is a wasteful number, since it uses less digits than its factorization.

23000032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23958387 (or 23958377 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 23000032320 its reverse (2323000032), we get a palindrome (25323032352).

The spelling of 23000032320 in words is "twenty-three billion, thirty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 23958367 47916734 71875101 95833468 119791835 143750202 191666936 239583670 287500404 359375505 383333872 479167340 575000808 718751010 766667744 958334680 1150001616 1437502020 1533335488 1916669360 2300003232 2875004040 3833338720 4600006464 5750008080 7666677440 11500016160 23000032320