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78962144097 = 3191626322003
BaseRepresentation
bin100100110001010000…
…0101011001101100001
321112211000012112100110
41021202200223031201
52243203302102342
6100135200441533
75463520102434
oct1114240531541
9245730175313
1078962144097
1130540087631
12133783192a9
1375a5101cb5
143b70db581b
1520c2310c9c
hex126282b361

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".

Divisors: 1 3 191 573 6263 18789 22003 66009 1196233 3588699 4202573 12607719 137804789 413414367 26320714699 78962144097