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139315331910 = 23519244412863
BaseRepresentation
bin1000000110111111010…
…1110100001101000110
3111022121010101010200210
42001233311310031012
54240304211110120
6144000043020250
713031235532266
oct2015765641506
9438533333623
10139315331910
11540a0966947
122300050a686
13101a2a90351
146a587257a6
153955a7bce0
hex206fd74346

139315331910 has 32 divisors (see below), whose sum is σ = 351954524160. Its totient is φ = 35195452128.

The previous prime is 139315331879. The next prime is 139315331989. The reversal of 139315331910 is 19133513931.

139315331910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 122205862 + ... + 122207001.

It is an arithmetic number, because the mean of its divisors is an integer number (10998578880).

Almost surely, 2139315331910 is an apocalyptic number.

139315331910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139315331910 is an abundant number, since it is smaller than the sum of its proper divisors (212639192250).

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

139315331910 is a wasteful number, since it uses less digits than its factorization.

139315331910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244412892.

The product of its (nonzero) digits is 32805, while the sum is 39.

The spelling of 139315331910 in words is "one hundred thirty-nine billion, three hundred fifteen million, three hundred thirty-one thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 244412863 488825726 733238589 1222064315 1466477178 2444128630 3666192945 4643844397 7332385890 9287688794 13931533191 23219221985 27863066382 46438443970 69657665955 139315331910