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122697121160 = 2353067428029
BaseRepresentation
bin111001001000101010…
…0010111110110001000
3102201200222021120011202
41302101110113312020
54002240430334120
6132211041043332
711602356215255
oct1622124276610
9381628246152
10122697121160
1148043365179
121b943026548
13b754c03653
145d1d62a42c
1532d1b6c875
hex1c91517d88

122697121160 has 16 divisors (see below), whose sum is σ = 276068522700. Its totient is φ = 49078848448.

The previous prime is 122697121159. The next prime is 122697121193. The reversal of 122697121160 is 61121796221.

It can be written as a sum of positive squares in 2 ways, for example, as 121623772516 + 1073348644 = 348746^2 + 32762^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1533713975 + ... + 1533714054.

Almost surely, 2122697121160 is an apocalyptic number.

122697121160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122697121160 is an abundant number, since it is smaller than the sum of its proper divisors (153371401540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122697121160 is a wasteful number, since it uses less digits than its factorization.

122697121160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067428040 (or 3067428036 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 122697121160 in words is "one hundred twenty-two billion, six hundred ninety-seven million, one hundred twenty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3067428029 6134856058 12269712116 15337140145 24539424232 30674280290 61348560580 122697121160