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51020054314808 = 23298312373214141
BaseRepresentation
bin10111001100111000010000…
…01101101011111100111000
320200122110200022022102210012
423212130020031223330320
523141403032401033213
6300302142301241052
713514035336142225
oct1346341015537470
9220573608272705
1051020054314808
1115290535630577
125880040b63188
13226122a702787
14c8555323494c
155d7236cc04a8
hex2e670836bf38

51020054314808 has 64 divisors (see below), whose sum is σ = 100162179482400. Its totient is φ = 24331539294720.

The previous prime is 51020054314799. The next prime is 51020054314973. The reversal of 51020054314808 is 80841345002015.

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, 238147418 + ... + 238361558.

Almost surely, 251020054314808 is an apocalyptic number.

51020054314808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51020054314808 is a deficient number, since it is larger than the sum of its proper divisors (49142125167592).

51020054314808 is a wasteful number, since it uses less digits than its factorization.

51020054314808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226632 (or 226628 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 51020054314808 in words is "fifty-one trillion, twenty billion, fifty-four million, three hundred fourteen thousand, eight hundred eight".

Divisors: 1 2 4 8 29 58 83 116 166 232 332 664 2407 4814 9628 12373 19256 24746 49492 98984 214141 358817 428282 717634 856564 1026959 1435268 1713128 2053918 2870536 4107836 6210089 8215672 12420178 17773703 24840356 29781811 35547406 49680712 59563622 71094812 119127244 142189624 238254488 515437387 1030874774 2061749548 2649566593 4123499096 5299133186 10598266372 21196532744 76837431197 153674862394 219914027219 307349724788 439828054438 614699449576 879656108876 1759312217752 6377506789351 12755013578702 25510027157404 51020054314808