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157657350456533 = 2411213982954869
BaseRepresentation
bin100011110110001101110110…
…010111101100010011010101
3202200012220011211021212200202
4203312031312113230103111
5131131024223204102113
61315150441551150245
745131240054542034
oct4366156627542325
9680186154255622
10157657350456533
114626411a239a14
1215823073815385
1369c8041680605
142ad092952c71b
1513360697d4258
hex8f63765ec4d5

157657350456533 has 16 divisors (see below), whose sum is σ = 158461050514800. Its totient is φ = 156854917739520.

The previous prime is 157657350456523. The next prime is 157657350456547. The reversal of 157657350456533 is 335654053756751.

It can be written as a sum of positive squares in 8 ways, for example, as 3526068995089 + 154131281461444 = 1877783^2 + 12414962^2 .

It is a cyclic number.

It is not a de Polignac number, because 157657350456533 - 216 = 157657350390997 is a prime.

It is a super-2 number, since 2×1576573504565332 (a number of 29 digits) contains 22 as substring.

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 157657350456533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157657350456523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2873313623 + ... + 2873368491.

It is an arithmetic number, because the mean of its divisors is an integer number (9903815657175).

Almost surely, 2157657350456533 is an apocalyptic number.

It is an amenable number.

157657350456533 is a deficient number, since it is larger than the sum of its proper divisors (803700058267).

157657350456533 is a wasteful number, since it uses less digits than its factorization.

157657350456533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66152.

The product of its (nonzero) digits is 595350000, while the sum is 65.

The spelling of 157657350456533 in words is "one hundred fifty-seven trillion, six hundred fifty-seven billion, three hundred fifty million, four hundred fifty-six thousand, five hundred thirty-three".

Divisors: 1 241 1213 9829 54869 292333 2368789 11922577 13223429 66556097 539307401 2873341057 16040019377 129973083641 654179877413 157657350456533