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6990529300 = 225269905293
BaseRepresentation
bin1101000001010101…
…10000001100010100
3200001011220200102121
412200222300030110
5103304033414200
63113355145324
7335142342616
oct64052601424
920034820377
106990529300
112a67a76147
121431145244
1387536b291
144a45b2db6
152ada97e1a
hex1a0ab0314

6990529300 has 18 divisors (see below), whose sum is σ = 15169448798. Its totient is φ = 2796211680.

The previous prime is 6990529277. The next prime is 6990529303. The reversal of 6990529300 is 39250996.

It can be written as a sum of positive squares in 3 ways, for example, as 388641796 + 6601887504 = 19714^2 + 81252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990529303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34952547 + ... + 34952746.

Almost surely, 26990529300 is an apocalyptic number.

It is an amenable number.

6990529300 is an abundant number, since it is smaller than the sum of its proper divisors (8178919498).

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

6990529300 is a wasteful number, since it uses less digits than its factorization.

6990529300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69905307 (or 69905300 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 6990529300 is about 83609.3852387398. The cubic root of 6990529300 is about 1912.0680887764.

The spelling of 6990529300 in words is "six billion, nine hundred ninety million, five hundred twenty-nine thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 69905293 139810586 279621172 349526465 699052930 1398105860 1747632325 3495264650 6990529300