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162206756137 = 1055915361943
BaseRepresentation
bin1001011100010001000…
…1101010110100101001
3120111200110121222022201
42113010101222310221
510124144412144022
6202303341420201
714501430451366
oct2270421526451
9514613558281
10162206756137
1162878537768
122752a86a661
13123b04c549a
147bcaa2d46d
154345591127
hex25c446ad29

162206756137 has 4 divisors (see below), whose sum is σ = 162222128640. Its totient is φ = 162191383636.

The previous prime is 162206756081. The next prime is 162206756183. The reversal of 162206756137 is 731657602261.

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 162206756137 - 211 = 162206754089 is a prime.

It is a super-2 number, since 2×1622067561372 (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 (162206756197) by changing a digit.

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, 7670413 + ... + 7691530.

It is an arithmetic number, because the mean of its divisors is an integer number (40555532160).

Almost surely, 2162206756137 is an apocalyptic number.

It is an amenable number.

162206756137 is a deficient number, since it is larger than the sum of its proper divisors (15372503).

162206756137 is a wasteful number, since it uses less digits than its factorization.

162206756137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15372502.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 162206756137 in words is "one hundred sixty-two billion, two hundred six million, seven hundred fifty-six thousand, one hundred thirty-seven".

Divisors: 1 10559 15361943 162206756137