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680603028057 = 321929997137659
BaseRepresentation
bin10011110011101110001…
…10100000101001011001
32102001202101200010110200
421321313012200221121
542122333333344212
61240355324532413
7100112656166631
oct11716706405131
92361671603420
10680603028057
11242707736577
12abaa46b1109
134c2469ab254
1424d271536c1
1512a862566dc
hex9e771a0a59

680603028057 has 48 divisors (see below), whose sum is σ = 1071600504000. Its totient is φ = 414612680832.

The previous prime is 680603028043. The next prime is 680603028109. The reversal of 680603028057 is 750820306086.

680603028057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680603028057 - 220 = 680601979481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680603028257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4875294 + ... + 5012952.

It is an arithmetic number, because the mean of its divisors is an integer number (22325010500).

Almost surely, 2680603028057 is an apocalyptic number.

It is an amenable number.

680603028057 is a deficient number, since it is larger than the sum of its proper divisors (390997475943).

680603028057 is a wasteful number, since it uses less digits than its factorization.

680603028057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138710 (or 138707 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 680603028057 in words is "six hundred eighty billion, six hundred three million, twenty-eight thousand, fifty-seven".

Divisors: 1 3 9 19 29 57 87 171 261 551 997 1653 2991 4959 8973 18943 28913 56829 86739 137659 170487 260217 412977 549347 1238931 1648041 2615521 3992111 4944123 7846563 11976333 23539689 35928999 75850109 137246023 227550327 411738069 682650981 1235214207 2607674437 3980134667 7823023311 11940404001 23469069933 35821212003 75622558673 226867676019 680603028057