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2680580388 = 2231514613209
BaseRepresentation
bin1001111111000110…
…0110100100100100
320220210222121000010
42133301212210210
520442212033023
61121554050220
7123266362113
oct23761464444
96823877003
102680580388
1111561327a2
12629879970
13339477555
141b6019c7a
1510a4eb093
hex9fc66924

2680580388 has 48 divisors (see below), whose sum is σ = 6311733120. Its totient is φ = 885408000.

The previous prime is 2680580387. The next prime is 2680580431. The reversal of 2680580388 is 8830850862.

2680580388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×26805803882 = 14371022433060461088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2680580387) 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, 833728 + ... + 836936.

It is an arithmetic number, because the mean of its divisors is an integer number (131494440).

Almost surely, 22680580388 is an apocalyptic number.

It is an amenable number.

2680580388 is an abundant number, since it is smaller than the sum of its proper divisors (3631152732).

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

2680580388 is a wasteful number, since it uses less digits than its factorization.

2680580388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 2680580388 is about 51774.3217048761. The cubic root of 2680580388 is about 1389.1301750522.

The spelling of 2680580388 in words is "two billion, six hundred eighty million, five hundred eighty thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 151 302 453 461 604 906 922 1383 1812 1844 2766 3209 5532 6418 9627 12836 19254 38508 69611 139222 208833 278444 417666 484559 835332 969118 1453677 1479349 1938236 2907354 2958698 4438047 5814708 5917396 8876094 17752188 223381699 446763398 670145097 893526796 1340290194 2680580388