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28935937700 = 2252289359377
BaseRepresentation
bin11010111100101101…
…110101111010100100
32202200121001221022022
4122330231311322210
5433230100001300
621143141322312
72043026261255
oct327455657244
982617057268
1028935937700
11112a96452aa
125736706398
132961ab7c37
141586dc2b2c
15b454e1285
hex6bcb75ea4

28935937700 has 18 divisors (see below), whose sum is σ = 62790985026. Its totient is φ = 11574375040.

The previous prime is 28935937699. The next prime is 28935937741. The reversal of 28935937700 is 773953982.

It can be written as a sum of positive squares in 3 ways, for example, as 7901076544 + 21034861156 = 88888^2 + 145034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144679589 + ... + 144679788.

It is an arithmetic number, because the mean of its divisors is an integer number (3488388057).

Almost surely, 228935937700 is an apocalyptic number.

28935937700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28935937700 is an abundant number, since it is smaller than the sum of its proper divisors (33855047326).

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

28935937700 is a wasteful number, since it uses less digits than its factorization.

28935937700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289359391 (or 289359384 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 28935937700 in words is "twenty-eight billion, nine hundred thirty-five million, nine hundred thirty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 289359377 578718754 1157437508 1446796885 2893593770 5787187540 7233984425 14467968850 28935937700