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6320725890 = 235210690863
BaseRepresentation
bin1011110001011111…
…01001111110000010
3121022111120010212220
411320233221332002
5100421101212030
62523111031510
7312430166163
oct57057517602
917274503786
106320725890
112753980a06
12128496b596
137996724bb
1443d65976a
1526ed8ca10
hex178be9f82

6320725890 has 16 divisors (see below), whose sum is σ = 15169742208. Its totient is φ = 1685526896.

The previous prime is 6320725849. The next prime is 6320725897. The reversal of 6320725890 is 985270236.

It is not an unprimeable number, because it can be changed into a prime (6320725897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105345402 + ... + 105345461.

It is an arithmetic number, because the mean of its divisors is an integer number (948108888).

Almost surely, 26320725890 is an apocalyptic number.

6320725890 is an abundant number, since it is smaller than the sum of its proper divisors (8849016318).

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

6320725890 is a wasteful number, since it uses less digits than its factorization.

6320725890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210690873.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 6320725890 is about 79502.9929625294. The cubic root of 6320725890 is about 1848.9378748662.

The spelling of 6320725890 in words is "six billion, three hundred twenty million, seven hundred twenty-five thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 210690863 421381726 632072589 1053454315 1264145178 2106908630 3160362945 6320725890