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120689964161 = 1391110190827
BaseRepresentation
bin111000001100110101…
…1101011010010000001
3102112112002110102101122
41300121223223102001
53434133112323121
6131235540442025
711501544524504
oct1603153532201
9375462412348
10120689964161
114720337a438
121b4829a9315
13b4c51217a0
145bacc2b13b
1532158445ab
hex1c19aeb481

120689964161 has 8 divisors (see below), whose sum is σ = 130116491904. Its totient is φ = 111283819920.

The previous prime is 120689964149. The next prime is 120689964173. The reversal of 120689964161 is 161469986021.

It is an interprime number because it is at equal distance from previous prime (120689964149) and next prime (120689964173).

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

It is not a de Polignac number, because 120689964161 - 234 = 103510094977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120689964761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083571 + ... + 5107256.

It is an arithmetic number, because the mean of its divisors is an integer number (16264561488).

Almost surely, 2120689964161 is an apocalyptic number.

It is an amenable number.

120689964161 is a deficient number, since it is larger than the sum of its proper divisors (9426527743).

120689964161 is a wasteful number, since it uses less digits than its factorization.

120689964161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191751.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 120689964161 in words is "one hundred twenty billion, six hundred eighty-nine million, nine hundred sixty-four thousand, one hundred sixty-one".

Divisors: 1 13 911 11843 10190827 132480751 9283843397 120689964161