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122027677357 = 281434262197
BaseRepresentation
bin111000110100101101…
…0101001011010101101
3102122222022121021220211
41301221122221122231
53444403041133412
6132020404342421
711546650100125
oct1615132513255
9378868537824
10122027677357
114782a496133
121b7969a4a11
13b679302461
145c98767c85
153292ed3ca7
hex1c696a96ad

122027677357 has 4 divisors (see below), whose sum is σ = 122461939836. Its totient is φ = 121593414880.

The previous prime is 122027677349. The next prime is 122027677363. The reversal of 122027677357 is 753776720221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29623228996 + 92404448361 = 172114^2 + 303981^2 .

It is a cyclic number.

It is not a de Polignac number, because 122027677357 - 23 = 122027677349 is a prime.

It is a super-2 number, since 2×1220276773572 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122027677357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122027677397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217130818 + ... + 217131379.

It is an arithmetic number, because the mean of its divisors is an integer number (30615484959).

Almost surely, 2122027677357 is an apocalyptic number.

It is an amenable number.

122027677357 is a deficient number, since it is larger than the sum of its proper divisors (434262479).

122027677357 is an equidigital number, since it uses as much as digits as its factorization.

122027677357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434262478.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 122027677357 in words is "one hundred twenty-two billion, twenty-seven million, six hundred seventy-seven thousand, three hundred fifty-seven".

Divisors: 1 281 434262197 122027677357