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20750117300 = 22521118863743
BaseRepresentation
bin10011010100110011…
…011010100110110100
31222120010000011201222
4103110303122212310
5314444012223200
613311003005512
71333131041543
oct232463324664
958503004658
1020750117300
11888899a280
124031209898
131c58c13923
14100bb8815a
15816a3cd85
hex4d4cda9b4

20750117300 has 36 divisors (see below), whose sum is σ = 49121189376. Its totient is φ = 7545496800.

The previous prime is 20750117293. The next prime is 20750117351. The reversal of 20750117300 is 371105702.

It is a self number, because there is not a number n which added to its sum of digits gives 20750117300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9430772 + ... + 9432971.

Almost surely, 220750117300 is an apocalyptic number.

20750117300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20750117300 is an abundant number, since it is smaller than the sum of its proper divisors (28371072076).

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

20750117300 is a wasteful number, since it uses less digits than its factorization.

20750117300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18863768 (or 18863761 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The spelling of 20750117300 in words is "twenty billion, seven hundred fifty million, one hundred seventeen thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 18863743 37727486 75454972 94318715 188637430 207501173 377274860 415002346 471593575 830004692 943187150 1037505865 1886374300 2075011730 4150023460 5187529325 10375058650 20750117300