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23185425108540 = 22353736311034239
BaseRepresentation
bin1010100010110010001110…
…00001110000111000111100
310001002111122010210021012110
411101121013001300320330
511014332222311433130
6121151123125134020
74612043306502042
oct521310701607074
9101074563707173
1023185425108540
11742997a038272
1227255a7b5a310
13cc24b76a9a76
145a2275670392
152a318d20cab0
hex151647070e3c

23185425108540 has 48 divisors (see below), whose sum is σ = 64919426826240. Its totient is φ = 6182757503040.

The previous prime is 23185425108529. The next prime is 23185425108577. The reversal of 23185425108540 is 4580152458132.

It is a self number, because there is not a number n which added to its sum of digits gives 23185425108540.

It is a congruent number.

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, 21900741 + ... + 22934979.

It is an arithmetic number, because the mean of its divisors is an integer number (1352488058880).

Almost surely, 223185425108540 is an apocalyptic number.

23185425108540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23185425108540 is an abundant number, since it is smaller than the sum of its proper divisors (41734001717700).

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

23185425108540 is a wasteful number, since it uses less digits than its factorization.

23185425108540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407882 (or 1407880 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 23185425108540 in words is "twenty-three trillion, one hundred eighty-five billion, four hundred twenty-five million, one hundred eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 373631 747262 1034239 1120893 1494524 1868155 2068478 2241786 3102717 3736310 4136956 4483572 5171195 5604465 6205434 7472620 10342390 11208930 12410868 15513585 20684780 22417860 31027170 62054340 386423751809 772847503618 1159271255427 1545695007236 1932118759045 2318542510854 3864237518090 4637085021708 5796356277135 7728475036180 11592712554270 23185425108540