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57755202007 is a prime number
BaseRepresentation
bin110101110010011110…
…100111000111010111
312112002001121020210211
4311302132213013113
51421240312431012
642310554230251
74113141055066
oct656236470727
9175061536724
1057755202007
1122548340108
12b23a125387
1355a5672159
142b1c6b41dd
1517806376a7
hexd727a71d7

57755202007 has 2 divisors, whose sum is σ = 57755202008. Its totient is φ = 57755202006.

The previous prime is 57755201971. The next prime is 57755202049. The reversal of 57755202007 is 70020255775.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57755202007 is a prime.

It is a super-3 number, since 3×577552020073 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57755203007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28877601003 + 28877601004.

It is an arithmetic number, because the mean of its divisors is an integer number (28877601004).

Almost surely, 257755202007 is an apocalyptic number.

57755202007 is a deficient number, since it is larger than the sum of its proper divisors (1).

57755202007 is an equidigital number, since it uses as much as digits as its factorization.

57755202007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171500, while the sum is 40.

The spelling of 57755202007 in words is "fifty-seven billion, seven hundred fifty-five million, two hundred two thousand, seven".