Base | Representation |
---|---|
bin | 101010011001000100100… |
… | …111010110101001101111 |
3 | 101022111022122221222021111 |
4 | 222121010213112221233 |
5 | 340212102040300100 |
6 | 10110135542412451 |
7 | 420316204612633 |
oct | 52310447265157 |
9 | 11274278858244 |
10 | 2913138993775 |
11 | a2350102011a |
12 | 3b0704431127 |
13 | 1819281394ba |
14 | a0dd4c62dc3 |
15 | 50b9dc646ba |
hex | 2a6449d6a6f |
2913138993775 has 48 divisors (see below), whose sum is σ = 3693793251744. Its totient is φ = 2278264135680.
The previous prime is 2913138993773. The next prime is 2913138993781. The reversal of 2913138993775 is 5773998313192.
It is not a de Polignac number, because 2913138993775 - 21 = 2913138993773 is a prime.
It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.
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 2913138993775.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2913138993773) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476545119 + ... + 476551231.
It is an arithmetic number, because the mean of its divisors is an integer number (76954026078).
Almost surely, 22913138993775 is an apocalyptic number.
2913138993775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2913138993775 is a deficient number, since it is larger than the sum of its proper divisors (780654257969).
2913138993775 is a wasteful number, since it uses less digits than its factorization.
2913138993775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7420 (or 7415 counting only the distinct ones).
The product of its digits is 77157360, while the sum is 67.
The spelling of 2913138993775 in words is "two trillion, nine hundred thirteen billion, one hundred thirty-eight million, nine hundred ninety-three thousand, seven hundred seventy-five".
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