Base | Representation |
---|---|
bin | 100100110001010000… |
… | …0101011001101100001 |
3 | 21112211000012112100110 |
4 | 1021202200223031201 |
5 | 2243203302102342 |
6 | 100135200441533 |
7 | 5463520102434 |
oct | 1114240531541 |
9 | 245730175313 |
10 | 78962144097 |
11 | 30540087631 |
12 | 133783192a9 |
13 | 75a5101cb5 |
14 | 3b70db581b |
15 | 20c2310c9c |
hex | 126282b361 |
78962144097 has 16 divisors (see below), whose sum is σ = 105855787008. Its totient is φ = 52355079120.
The previous prime is 78962144057. The next prime is 78962144143. The reversal of 78962144097 is 79044126987.
It is a happy number.
It is not a de Polignac number, because 78962144097 - 216 = 78962078561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (78962144057) 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, 3577698 + ... + 3599700.
It is an arithmetic number, because the mean of its divisors is an integer number (6615986688).
Almost surely, 278962144097 is an apocalyptic number.
It is an amenable number.
78962144097 is a deficient number, since it is larger than the sum of its proper divisors (26893642911).
78962144097 is a wasteful number, since it uses less digits than its factorization.
78962144097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28460.
The product of its (nonzero) digits is 6096384, while the sum is 57.
The spelling of 78962144097 in words is "seventy-eight billion, nine hundred sixty-two million, one hundred forty-four thousand, ninety-seven".
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