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1381508312502 = 23230251385417
BaseRepresentation
bin10100000110101000010…
…011111110110110110110
311220001220200121202000010
4110012220103332312312
5140113312112000002
62534353421401050
7201545030621463
oct24065023766666
94801820552003
101381508312502
1149299247682a
121a38b4409186
13a0377871c56
144ac1878c66a
1525e09a3146c
hex141a84fedb6

1381508312502 has 8 divisors (see below), whose sum is σ = 2763016625016. Its totient is φ = 460502770832.

The previous prime is 1381508312479. The next prime is 1381508312519. The reversal of 1381508312502 is 2052138051831.

It is a sphenic number, since it is the product of 3 distinct primes.

1381508312502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115125692703 + ... + 115125692714.

It is an arithmetic number, because the mean of its divisors is an integer number (345377078127).

Almost surely, 21381508312502 is an apocalyptic number.

1381508312502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1381508312502 is a wasteful number, since it uses less digits than its factorization.

1381508312502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230251385422.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 1381508312502 in words is "one trillion, three hundred eighty-one billion, five hundred eight million, three hundred twelve thousand, five hundred two".

Divisors: 1 2 3 6 230251385417 460502770834 690754156251 1381508312502