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68876753825 = 52114117335311
BaseRepresentation
bin100000000100101011…
…1111101101110100001
320120210010202121210102
41000021113331232201
52112024422110300
651350323512145
74655554514315
oct1001127755641
9216703677712
1068876753825
112723514a650
1211422828655
136658817b49
143495785b45
151bd1bd70d5
hex10095fdba1

68876753825 has 48 divisors (see below), whose sum is σ = 95998355712. Its totient is φ = 48586560000.

The previous prime is 68876753807. The next prime is 68876753849. The reversal of 68876753825 is 52835767886.

It is not a de Polignac number, because 68876753825 - 26 = 68876753761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1932920 + ... + 1968230.

It is an arithmetic number, because the mean of its divisors is an integer number (1999965744).

Almost surely, 268876753825 is an apocalyptic number.

It is an amenable number.

68876753825 is a deficient number, since it is larger than the sum of its proper divisors (27121601887).

68876753825 is a wasteful number, since it uses less digits than its factorization.

68876753825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35546 (or 35541 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 65.

The spelling of 68876753825 in words is "sixty-eight billion, eight hundred seventy-six million, seven hundred fifty-three thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 41 55 173 205 275 451 865 1025 1903 2255 4325 7093 9515 11275 35311 35465 47575 78023 176555 177325 388421 390115 882775 1447751 1942105 1950575 6108803 7238755 9710525 15925261 30544015 36193775 67196833 79626305 152720075 250460923 335984165 398131525 1252304615 1679920825 2755070153 6261523075 13775350765 68876753825