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23120001310020 = 22351722666667951
BaseRepresentation
bin1010100000111000010110…
…11101110001110101000100
310000212020202122100221121120
411100130023131301311010
511012244230313410040
6121101103150113540
74604236120415466
oct520341335616504
9100766678327546
1023120001310020
11740415700309a
1227149897ab8b0
13cb928c369354
1459d02a71c136
152a160e73d7d0
hex15070b771d44

23120001310020 has 48 divisors (see below), whose sum is σ = 68544003886848. Its totient is φ = 5802666995200.

The previous prime is 23120001310013. The next prime is 23120001310031. The reversal of 23120001310020 is 2001310002132.

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

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, 11333332956 + ... + 11333334995.

It is an arithmetic number, because the mean of its divisors is an integer number (1428000080976).

Almost surely, 223120001310020 is an apocalyptic number.

23120001310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120001310020 is an abundant number, since it is smaller than the sum of its proper divisors (45424002576828).

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

23120001310020 is a wasteful number, since it uses less digits than its factorization.

23120001310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22666667980 (or 22666667978 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23120001310020 its reverse (2001310002132), we get a palindrome (25121311312152).

The spelling of 23120001310020 in words is "twenty-three trillion, one hundred twenty billion, one million, three hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 22666667951 45333335902 68000003853 90666671804 113333339755 136000007706 226666679510 272000015412 340000019265 385333355167 453333359020 680000038530 770666710334 1156000065501 1360000077060 1541333420668 1926666775835 2312000131002 3853333551670 4624000262004 5780000327505 7706667103340 11560000655010 23120001310020