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122970147839 = 7111597014907
BaseRepresentation
bin111001010000110010…
…1111000101111111111
3102202102000000202100222
41302201211320233333
54003320324212324
6132254113011555
711612213003360
oct1624145705777
9382360022328
10122970147839
1148173496160
121b9ba553bbb
13b799648cb6
145d479bbb67
1532eaaee55e
hex1ca1978bff

122970147839 has 8 divisors (see below), whose sum is σ = 153313431168. Its totient is φ = 95820894360.

The previous prime is 122970147827. The next prime is 122970147899. The reversal of 122970147839 is 938741079221.

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 122970147839 - 216 = 122970082303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122970147899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798507377 + ... + 798507530.

It is an arithmetic number, because the mean of its divisors is an integer number (19164178896).

Almost surely, 2122970147839 is an apocalyptic number.

122970147839 is a deficient number, since it is larger than the sum of its proper divisors (30343283329).

122970147839 is a wasteful number, since it uses less digits than its factorization.

122970147839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597014925.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 122970147839 in words is "one hundred twenty-two billion, nine hundred seventy million, one hundred forty-seven thousand, eight hundred thirty-nine".

Divisors: 1 7 11 77 1597014907 11179104349 17567163977 122970147839