Base | Representation |
---|---|
bin | 100100110110010111… |
… | …1010010100110111001 |
3 | 21120020222002220011021 |
4 | 1021230233102212321 |
5 | 2244031214411031 |
6 | 100204210502441 |
7 | 5501002520344 |
oct | 1115457224671 |
9 | 246228086137 |
10 | 79133747641 |
11 | 30618a34943 |
12 | 13405894a21 |
13 | 7601826160 |
14 | 3b89ac545b |
15 | 20d240b511 |
hex | 126cbd29b9 |
79133747641 has 16 divisors (see below), whose sum is σ = 85451321088. Its totient is φ = 72849326400.
The previous prime is 79133747639. The next prime is 79133747689. The reversal of 79133747641 is 14674733197.
It is a cyclic number.
It is not a de Polignac number, because 79133747641 - 21 = 79133747639 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79133747741) 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, 9609996 + ... + 9618226.
It is an arithmetic number, because the mean of its divisors is an integer number (5340707568).
Almost surely, 279133747641 is an apocalyptic number.
It is an amenable number.
79133747641 is a deficient number, since it is larger than the sum of its proper divisors (6317573447).
79133747641 is a wasteful number, since it uses less digits than its factorization.
79133747641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10152.
The product of its digits is 2667168, while the sum is 52.
The spelling of 79133747641 in words is "seventy-nine billion, one hundred thirty-three million, seven hundred forty-seven thousand, six hundred forty-one".
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