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23012535660 = 22353112372331
BaseRepresentation
bin10101011011101001…
…110110110101101100
32012101210010221021120
4111123221312311230
5334112202120120
614323302300540
71443162216462
oct253351666554
965353127246
1023012535660
119839a81714
124562a27750
13222985ac0a
141184432832
158ea489140
hex55ba76d6c

23012535660 has 48 divisors (see below), whose sum is σ = 66513656832. Its totient is φ = 5938718400.

The previous prime is 23012535649. The next prime is 23012535703. The reversal of 23012535660 is 6653521032.

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, 6184306 + ... + 6188025.

It is an arithmetic number, because the mean of its divisors is an integer number (1385701184).

Almost surely, 223012535660 is an apocalyptic number.

23012535660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012535660 is an abundant number, since it is smaller than the sum of its proper divisors (43501121172).

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

23012535660 is a wasteful number, since it uses less digits than its factorization.

23012535660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372374 (or 12372372 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 23012535660 in words is "twenty-three billion, twelve million, five hundred thirty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 12372331 24744662 37116993 49489324 61861655 74233986 123723310 148467972 185584965 247446620 371169930 383542261 742339860 767084522 1150626783 1534169044 1917711305 2301253566 3835422610 4602507132 5753133915 7670845220 11506267830 23012535660