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15314340390 = 2357916074021
BaseRepresentation
bin11100100001100111…
…00100101000100110
31110112021122002122020
432100303210220212
5222330432343030
611011343244010
71051334513466
oct162063445046
943467562566
1015314340390
116549600668
122b748a9606
1315a09c819b
14a53c8bba6
155e9707510
hex390ce4a26

15314340390 has 64 divisors (see below), whose sum is σ = 37252085760. Its totient is φ = 4028618880.

The previous prime is 15314340389. The next prime is 15314340397. The reversal of 15314340390 is 9304341351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15314340397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3806580 + ... + 3810600.

It is an arithmetic number, because the mean of its divisors is an integer number (582063840).

Almost surely, 215314340390 is an apocalyptic number.

15314340390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15314340390 is an abundant number, since it is smaller than the sum of its proper divisors (21937745370).

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

15314340390 is a wasteful number, since it uses less digits than its factorization.

15314340390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 15314340390 in words is "fifteen billion, three hundred fourteen million, three hundred forty thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 1607 2370 3214 4021 4821 8035 8042 9642 12063 16070 20105 24105 24126 40210 48210 60315 120630 126953 253906 317659 380859 634765 635318 761718 952977 1269530 1588295 1904295 1905954 3176590 3808590 4764885 6461747 9529770 12923494 19385241 32308735 38770482 64617470 96926205 193852410 510478013 1020956026 1531434039 2552390065 3062868078 5104780130 7657170195 15314340390