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11957308849750 = 253114348112309
BaseRepresentation
bin1010111000000000011100…
…1001010111111001010110
31120100002220102010222011111
42232000013021113321112
53031402032031143000
641233040054325234
72342613155144425
oct256000711277126
946302812128144
1011957308849750
1138a0080134850
1214114a665981a
13689752c31a34
142d4a45c432bc
1515b085050cba
hexae007257e56

11957308849750 has 32 divisors (see below), whose sum is σ = 24418998732960. Its totient is φ = 4348112308000.

The previous prime is 11957308849747. The next prime is 11957308849789. The reversal of 11957308849750 is 5794880375911.

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, 2174053405 + ... + 2174058904.

It is an arithmetic number, because the mean of its divisors is an integer number (763093710405).

Almost surely, 211957308849750 is an apocalyptic number.

11957308849750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11957308849750 is an abundant number, since it is smaller than the sum of its proper divisors (12461689883210).

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

11957308849750 is a wasteful number, since it uses less digits than its factorization.

11957308849750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348112337 (or 4348112327 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 67.

The spelling of 11957308849750 in words is "eleven trillion, nine hundred fifty-seven billion, three hundred eight million, eight hundred forty-nine thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 4348112309 8696224618 21740561545 43481123090 47829235399 95658470798 108702807725 217405615450 239146176995 478292353990 543514038625 1087028077250 1195730884975 2391461769950 5978654424875 11957308849750