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122057100169 = 214356956183
BaseRepresentation
bin111000110101100101…
…0111000101110001001
3102200001100222010102121
41301223022320232021
53444433104201134
6132023335131241
711550455142664
oct1615312705611
9380040863377
10122057100169
1147845061a04
121b7a4813b21
13b6824347c4
145c9c6266db
153295896ab4
hex1c6b2b8b89

122057100169 has 4 divisors (see below), whose sum is σ = 122114058496. Its totient is φ = 122000141844.

The previous prime is 122057100149. The next prime is 122057100173. The reversal of 122057100169 is 961001750221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122057100169 - 29 = 122057099657 is a prime.

It is a super-2 number, since 2×1220571001692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122057100149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28475949 + ... + 28480234.

It is an arithmetic number, because the mean of its divisors is an integer number (30528514624).

Almost surely, 2122057100169 is an apocalyptic number.

It is an amenable number.

122057100169 is a deficient number, since it is larger than the sum of its proper divisors (56958327).

122057100169 is an equidigital number, since it uses as much as digits as its factorization.

122057100169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56958326.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 122057100169 in words is "one hundred twenty-two billion, fifty-seven million, one hundred thousand, one hundred sixty-nine".

Divisors: 1 2143 56956183 122057100169