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7680483221 = 192961228511
BaseRepresentation
bin1110010011100101…
…01101111110010101
3201211021011222021112
413021302231332111
5111212200430341
63310043224405
7361221013235
oct71162557625
921737158245
107680483221
1132914837a4
1215a4218105
139552a0b38
1452c093cc5
152ee433aeb
hex1c9cadf95

7680483221 has 16 divisors (see below), whose sum is σ = 8500646400. Its totient is φ = 6910142400.

The previous prime is 7680483169. The next prime is 7680483247. The reversal of 7680483221 is 1223840867.

It is a cyclic number.

It is not a de Polignac number, because 7680483221 - 26 = 7680483157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680483121) 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, 80645 + ... + 147866.

It is an arithmetic number, because the mean of its divisors is an integer number (531290400).

Almost surely, 27680483221 is an apocalyptic number.

It is an amenable number.

7680483221 is a deficient number, since it is larger than the sum of its proper divisors (820163179).

7680483221 is a wasteful number, since it uses less digits than its factorization.

7680483221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228620.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 7680483221 is about 87638.3661474813. The cubic root of 7680483221 is about 1973.0110379530.

The spelling of 7680483221 in words is "seven billion, six hundred eighty million, four hundred eighty-three thousand, two hundred twenty-one".

Divisors: 1 19 29 61 551 1159 1769 33611 228511 4341709 6626819 13939171 125909561 264844249 404235959 7680483221