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7980363776 = 21271125303
BaseRepresentation
bin1110110111010101…
…01011000000000000
3202121011110111001202
413123222223000000
5112320433120101
63355514520332
7401521654460
oct73352530000
922534414052
107980363776
113425786470
1216687360a8
139a2459458
14559c35ba0
1531a91c36b
hex1dbaab000

7980363776 has 104 divisors (see below), whose sum is σ = 19897446144. Its totient is φ = 3109109760.

The previous prime is 7980363757. The next prime is 7980363877. The reversal of 7980363776 is 6773630897.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302741 + ... + 328043.

Almost surely, 27980363776 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 7980363776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9948723072).

7980363776 is an abundant number, since it is smaller than the sum of its proper divisors (11917082368).

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

7980363776 is a wasteful number, since it uses less digits than its factorization.

7980363776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25345 (or 25323 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 56.

The square root of 7980363776 is about 89332.8818297048. The cubic root of 7980363776 is about 1998.3623073474.

The spelling of 7980363776 in words is "seven billion, nine hundred eighty million, three hundred sixty-three thousand, seven hundred seventy-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 352 448 512 616 704 896 1024 1232 1408 1792 2048 2464 2816 3584 4096 4928 5632 7168 9856 11264 14336 19712 22528 25303 28672 39424 45056 50606 78848 101212 157696 177121 202424 278333 315392 354242 404848 556666 708484 809696 1113332 1416968 1619392 1948331 2226664 2833936 3238784 3896662 4453328 5667872 6477568 7793324 8906656 11335744 12955136 15586648 17813312 22671488 25910272 31173296 35626624 45342976 51820544 62346592 71253248 90685952 103641088 124693184 142506496 181371904 249386368 285012992 362743808 498772736 570025984 725487616 997545472 1140051968 1995090944 3990181888 7980363776