Base | Representation |
---|---|
bin | 1000000110100010000… |
… | …0101001001111010001 |
3 | 111022021112221120111211 |
4 | 2001220200221033101 |
5 | 4240031214411312 |
6 | 143535530540121 |
7 | 13025213244451 |
oct | 2015040511721 |
9 | 438245846454 |
10 | 139192341457 |
11 | 540384a2344 |
12 | 22b87297641 |
13 | 1018345a230 |
14 | 6a4626bd61 |
15 | 3949d853a7 |
hex | 20688293d1 |
139192341457 has 16 divisors (see below), whose sum is σ = 150353215488. Its totient is φ = 128096579520.
The previous prime is 139192341427. The next prime is 139192341479. The reversal of 139192341457 is 754143291931.
It is a happy number.
It is not a de Polignac number, because 139192341457 - 27 = 139192341329 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 139192341457.
It is not an unprimeable number, because it can be changed into a prime (139192341427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16989232 + ... + 16997422.
It is an arithmetic number, because the mean of its divisors is an integer number (9397075968).
Almost surely, 2139192341457 is an apocalyptic number.
It is an amenable number.
139192341457 is a deficient number, since it is larger than the sum of its proper divisors (11160874031).
139192341457 is a wasteful number, since it uses less digits than its factorization.
139192341457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12000.
The product of its digits is 816480, while the sum is 49.
The spelling of 139192341457 in words is "one hundred thirty-nine billion, one hundred ninety-two million, three hundred forty-one thousand, four hundred fifty-seven".
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