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122072118839 = 1152321218863
BaseRepresentation
bin111000110110000010…
…0001011011000110111
3102200002102020011011122
41301230010023120313
54000000430300324
6132025033054155
711551026614126
oct1615404133067
9380072204148
10122072118839
114785258a730
121b7a985735b
13b6855927a8
145ca0615abd
153296d61a5e
hex1c6c10b637

122072118839 has 8 divisors (see below), whose sum is σ = 133424216832. Its totient is φ = 110762459640.

The previous prime is 122072118799. The next prime is 122072118893. The reversal of 122072118839 is 938811270221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122072118839 - 28 = 122072118583 is a prime.

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 122072118839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122072118899) 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, 10603679 + ... + 10615184.

It is an arithmetic number, because the mean of its divisors is an integer number (16678027104).

Almost surely, 2122072118839 is an apocalyptic number.

122072118839 is a deficient number, since it is larger than the sum of its proper divisors (11352097993).

122072118839 is a wasteful number, since it uses less digits than its factorization.

122072118839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219397.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 122072118839 in words is "one hundred twenty-two billion, seventy-two million, one hundred eighteen thousand, eight hundred thirty-nine".

Divisors: 1 11 523 5753 21218863 233407493 11097465349 122072118839