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7981682632 = 2371116098053
BaseRepresentation
bin1110110111011111…
…01100111111001000
3202121020221111012021
413123233230333020
5112321302321012
63400003054224
7401536116520
oct73357547710
922536844167
107981682632
1134264a7330
121669071374
139a27cb841
1455a09a680
1531aacd007
hex1dbbecfc8

7981682632 has 64 divisors (see below), whose sum is σ = 18672393600. Its totient is φ = 3107427840.

The previous prime is 7981682627. The next prime is 7981682671. The reversal of 7981682632 is 2362861897.

It is a super-3 number, since 3×79816826323 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7981682632.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987118 + ... + 995170.

It is an arithmetic number, because the mean of its divisors is an integer number (291756150).

Almost surely, 27981682632 is an apocalyptic number.

It is an amenable number.

7981682632 is an abundant number, since it is smaller than the sum of its proper divisors (10690710968).

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

7981682632 is a wasteful number, since it uses less digits than its factorization.

7981682632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9686 (or 9682 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 7981682632 is about 89340.2632187750. The cubic root of 7981682632 is about 1998.4723861617.

The spelling of 7981682632 in words is "seven billion, nine hundred eighty-one million, six hundred eighty-two thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1609 3218 6436 8053 11263 12872 16106 17699 22526 32212 35398 45052 56371 64424 70796 88583 90104 112742 123893 141592 177166 225484 247786 354332 450968 495572 620081 708664 991144 1240162 2480324 4960648 12957277 25914554 51829108 90700939 103658216 142530047 181401878 285060094 362803756 570120188 725607512 997710329 1140240376 1995420658 3990841316 7981682632