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122161082068 = 221712714145563
BaseRepresentation
bin111000111000101011…
…1100010111011010100
3102200022121121221210001
41301301113202323110
54000141214111233
6132041531541044
711553160031134
oct1616127427324
9380277557701
10122161082068
1147898823063
121b8135ba784
13b69ab4085c
145cac372ac4
15329ea8627d
hex1c715e2ed4

122161082068 has 24 divisors (see below), whose sum is σ = 228139656192. Its totient is φ = 57034905984.

The previous prime is 122161082023. The next prime is 122161082117. The reversal of 122161082068 is 860280161221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7064146 + ... + 7081417.

It is an arithmetic number, because the mean of its divisors is an integer number (9505819008).

Almost surely, 2122161082068 is an apocalyptic number.

It is an amenable number.

122161082068 is a deficient number, since it is larger than the sum of its proper divisors (105978574124).

122161082068 is a wasteful number, since it uses less digits than its factorization.

122161082068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14145711 (or 14145709 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 122161082068 in words is "one hundred twenty-two billion, one hundred sixty-one million, eighty-two thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 127 254 508 2159 4318 8636 14145563 28291126 56582252 240474571 480949142 961898284 1796486501 3592973002 7185946004 30540270517 61080541034 122161082068