Search a number
-
+
2057766731475 = 3527134149914737
BaseRepresentation
bin11101111100011100011…
…101000111111011010011
321021201110022010212020020
4131330130131013323103
5232203301240401400
64213154110314523
7301445243422560
oct35743435077323
97251408125206
102057766731475
1172376a746184
12292985ab8a43
1311c07b4122a0
147184c8c5867
15387d96412a0
hex1df1c747ed3

2057766731475 has 192 divisors, whose sum is σ = 4298308224000. Its totient is φ = 845398425600.

The previous prime is 2057766731437. The next prime is 2057766731513. The reversal of 2057766731475 is 5741376677502.

It is an interprime number because it is at equal distance from previous prime (2057766731437) and next prime (2057766731513).

It is not a de Polignac number, because 2057766731475 - 27 = 2057766731347 is a prime.

It is a super-3 number, since 3×20577667314753 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 139625307 + ... + 139640043.

It is an arithmetic number, because the mean of its divisors is an integer number (22387022000).

Almost surely, 22057766731475 is an apocalyptic number.

2057766731475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2057766731475 is an abundant number, since it is smaller than the sum of its proper divisors (2240541492525).

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

2057766731475 is a wasteful number, since it uses less digits than its factorization.

2057766731475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15310 (or 15305 counting only the distinct ones).

The product of its (nonzero) digits is 51861600, while the sum is 60.

The spelling of 2057766731475 in words is "two trillion, fifty-seven billion, seven hundred sixty-six million, seven hundred thirty-one thousand, four hundred seventy-five".