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6220642122 = 232345591229
BaseRepresentation
bin1011100101100011…
…10111011101001010
3121001112020100202200
411302301313131022
5100214441021442
62505133541030
7310103404602
oct56261673512
917045210680
106220642122
112702432552
121257344776
137819cc836
14430245c02
152661bd34c
hex172c7774a

6220642122 has 12 divisors (see below), whose sum is σ = 13478057970. Its totient is φ = 2073547368.

The previous prime is 6220642121. The next prime is 6220642133. The reversal of 6220642122 is 2212460226.

It is a happy number.

6220642122 is a `hidden beast` number, since 6 + 2 + 2 + 0 + 642 + 12 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4647012561 + 1573629561 = 68169^2 + 39669^2 .

It is not an unprimeable number, because it can be changed into a prime (6220642121) 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 5 ways as a sum of consecutive naturals, for example, 172795597 + ... + 172795632.

Almost surely, 26220642122 is an apocalyptic number.

6220642122 is an abundant number, since it is smaller than the sum of its proper divisors (7257415848).

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

6220642122 is a wasteful number, since it uses less digits than its factorization.

6220642122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345591237 (or 345591234 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6220642122 is about 78871.0474255287. The cubic root of 6220642122 is about 1839.1270790480.

The spelling of 6220642122 in words is "six billion, two hundred twenty million, six hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 345591229 691182458 1036773687 2073547374 3110321061 6220642122