Base | Representation |
---|---|
bin | 10011000110110100001… |
… | …101111111010010101010 |
3 | 11122112001102200020212020 |
4 | 103012310031333102222 |
5 | 133003000034410044 |
6 | 2443102330125310 |
7 | 163601036611413 |
oct | 23066415772252 |
9 | 4575042606766 |
10 | 1312988591274 |
11 | 466920915048 |
12 | 192571280836 |
13 | 96a780032c9 |
14 | 477985c480a |
15 | 24249371a19 |
hex | 131b437f4aa |
1312988591274 has 16 divisors (see below), whose sum is σ = 2626008396480. Its totient is φ = 437657661440.
The previous prime is 1312988591273. The next prime is 1312988591311. The reversal of 1312988591274 is 4721958892131.
It is not an unprimeable number, because it can be changed into a prime (1312988591273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734814 + ... + 1779305.
It is an arithmetic number, because the mean of its divisors is an integer number (164125524780).
Almost surely, 21312988591274 is an apocalyptic number.
1312988591274 is an abundant number, since it is smaller than the sum of its proper divisors (1313019805206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312988591274 is a wasteful number, since it uses less digits than its factorization.
1312988591274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2601165.
The product of its digits is 8709120, while the sum is 60.
The spelling of 1312988591274 in words is "one trillion, three hundred twelve billion, nine hundred eighty-eight million, five hundred ninety-one thousand, two hundred seventy-four".
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