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3680407668 = 2237314332869
BaseRepresentation
bin1101101101011110…
…1001000001110100
3100111111100002012010
43123113221001310
530014141021133
61405111524220
7160126643340
oct33327510164
910444302163
103680407668
111619548833
12868689670
13468653c22
1426cb20620
15168196263
hexdb5e9074

3680407668 has 96 divisors (see below), whose sum is σ = 10366935040. Its totient is φ = 993928320.

The previous prime is 3680407657. The next prime is 3680407739. The reversal of 3680407668 is 8667040863.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95538 + ... + 128406.

Almost surely, 23680407668 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 3680407668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5183467520).

3680407668 is an abundant number, since it is smaller than the sum of its proper divisors (6686527372).

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

3680407668 is a wasteful number, since it uses less digits than its factorization.

3680407668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32957 (or 32955 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 3680407668 is about 60666.3635633454. The cubic root of 3680407668 is about 1543.9455340886.

The spelling of 3680407668 in words is "three billion, six hundred eighty million, four hundred seven thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 43 62 84 86 93 124 129 172 186 217 258 301 372 434 516 602 651 868 903 1204 1302 1333 1806 2604 2666 3612 3999 5332 7998 9331 15996 18662 27993 32869 37324 55986 65738 98607 111972 131476 197214 230083 394428 460166 690249 920332 1018939 1380498 1413367 2037878 2760996 2826734 3056817 4075756 4240101 5653468 6113634 7132573 8480202 9893569 12227268 14265146 16960404 19787138 21397719 28530292 29680707 39574276 42795438 43814377 59361414 85590876 87628754 118722828 131443131 175257508 262886262 306700639 525772524 613401278 920101917 1226802556 1840203834 3680407668