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2660684076 = 22321719212043
BaseRepresentation
bin1001111010010110…
…1101000100101100
320212102112202101200
42132211231010230
520422113342301
61120003405500
7122635304301
oct23645550454
96772482350
102660684076
111145983366
12623083890
133352cc39b
141b351b0a8
151088bac86
hex9e96d12c

2660684076 has 108 divisors (see below), whose sum is σ = 7516395432. Its totient is φ = 790725888.

The previous prime is 2660684041. The next prime is 2660684077. The reversal of 2660684076 is 6704860662.

2660684076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2660684077) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 214911 + ... + 226953.

It is an arithmetic number, because the mean of its divisors is an integer number (69596254).

Almost surely, 22660684076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660684076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3758197716).

2660684076 is an abundant number, since it is smaller than the sum of its proper divisors (4855711356).

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

2660684076 is a wasteful number, since it uses less digits than its factorization.

2660684076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12108 (or 12084 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2660684076 is about 51581.8192389528. The cubic root of 2660684076 is about 1385.6847480497.

The spelling of 2660684076 in words is "two billion, six hundred sixty million, six hundred eighty-four thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 17 18 19 34 36 38 51 57 68 76 102 114 153 171 204 228 306 323 342 361 612 646 684 722 969 1083 1292 1444 1938 2166 2907 3249 3876 4332 5814 6137 6498 11628 12043 12274 12996 18411 24086 24548 36129 36822 48172 55233 72258 73644 108387 110466 144516 204731 216774 220932 228817 409462 433548 457634 614193 686451 818924 915268 1228386 1372902 1842579 2059353 2456772 2745804 3685158 3889889 4118706 4347523 7370316 7779778 8237412 8695046 11669667 13042569 15559556 17390092 23339334 26085138 35009001 39127707 46678668 52170276 70018002 73907891 78255414 140036004 147815782 156510828 221723673 295631564 443447346 665171019 886894692 1330342038 2660684076