Search a number
-
+
1392515141390 = 25139251514139
BaseRepresentation
bin10100010000111000010…
…111101100111100001110
311221010022202220120201022
4110100320113230330032
5140303332334011030
62543413532114142
7202414552255562
oct24207027547416
94833282816638
101392515141390
1149762054922a
121a5a66605952
13a141001a959
144b5805196a2
1526350ebdde5
hex144385ecf0e

1392515141390 has 8 divisors (see below), whose sum is σ = 2506527254520. Its totient is φ = 557006056552.

The previous prime is 1392515141389. The next prime is 1392515141393. The reversal of 1392515141390 is 931415152931.

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

It is a super-2 number, since 2×13925151413902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392515141393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69625757060 + ... + 69625757079.

It is an arithmetic number, because the mean of its divisors is an integer number (313315906815).

Almost surely, 21392515141390 is an apocalyptic number.

1392515141390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1392515141390 is a deficient number, since it is larger than the sum of its proper divisors (1114012113130).

1392515141390 is a wasteful number, since it uses less digits than its factorization.

1392515141390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139251514146.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 1392515141390 in words is "one trillion, three hundred ninety-two billion, five hundred fifteen million, one hundred forty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 139251514139 278503028278 696257570695 1392515141390