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52685225890 = 2511313193001
BaseRepresentation
bin110001000100010010…
…001011111110100010
312000222201112210001121
4301010102023332202
51330344404212030
640111523122454
73543406013443
oct610422137642
9160881483047
1052685225890
1120386489000
12a26421342a
134c7818289b
14279b1d92ca
1515854ac47a
hexc4448bfa2

52685225890 has 64 divisors (see below), whose sum is σ = 104423489280. Its totient is φ = 19137360000.

The previous prime is 52685225849. The next prime is 52685225899. The reversal of 52685225890 is 9852258625.

It is not an unprimeable number, because it can be changed into a prime (52685225899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17554390 + ... + 17557390.

It is an arithmetic number, because the mean of its divisors is an integer number (1631617020).

Almost surely, 252685225890 is an apocalyptic number.

52685225890 is a deficient number, since it is larger than the sum of its proper divisors (51738263390).

52685225890 is a wasteful number, since it uses less digits than its factorization.

52685225890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 52685225890 in words is "fifty-two billion, six hundred eighty-five million, two hundred twenty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 1319 1331 2638 2662 3001 6002 6595 6655 13190 13310 14509 15005 29018 30010 33011 66022 72545 145090 159599 165055 319198 330110 363121 726242 797995 1595990 1755589 1815605 3511178 3631210 3958319 3994331 7916638 7988662 8777945 17555890 19791595 19971655 39583190 39943310 43541509 87083018 217707545 435415090 478956599 957913198 2394782995 4789565990 5268522589 10537045178 26342612945 52685225890