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6929311380 = 2235853135391
BaseRepresentation
bin1100111010000010…
…01110011010010100
3122212220201111020020
412131001032122110
5103142400431010
63103331105140
7333500113665
oct63501163224
918786644206
106929311380
112a36463222
1214147421b0
13865785b64
1449a3d936c
152a8504470
hex19d04e694

6929311380 has 48 divisors (see below), whose sum is σ = 19424961024. Its totient is φ = 1845636480.

The previous prime is 6929311369. The next prime is 6929311387. The reversal of 6929311380 is 831139296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929311387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16516 + ... + 118875.

It is an arithmetic number, because the mean of its divisors is an integer number (404686688).

Almost surely, 26929311380 is an apocalyptic number.

6929311380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6929311380 is an abundant number, since it is smaller than the sum of its proper divisors (12495649644).

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

6929311380 is a wasteful number, since it uses less digits than its factorization.

6929311380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136256 (or 136254 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 6929311380 is about 83242.4854266137. The cubic root of 6929311380 is about 1906.4702202912.

The spelling of 6929311380 in words is "six billion, nine hundred twenty-nine million, three hundred eleven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 853 1706 2559 3412 4265 5118 8530 10236 12795 17060 25590 51180 135391 270782 406173 541564 676955 812346 1353910 1624692 2030865 2707820 4061730 8123460 115488523 230977046 346465569 461954092 577442615 692931138 1154885230 1385862276 1732327845 2309770460 3464655690 6929311380