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982939871394 = 2331312231144889
BaseRepresentation
bin11100100110110111100…
…10000010100010100010
310110222010202210002122000
432103123302002202202
5112101030101341034
62031320100424430
7131005111023525
oct16233362024242
93428122702560
10982939871394
11349953a28858
1213a6006a8116
13718c99b1aa0
1435808794bbc
151a87db63599
hexe4dbc828a2

982939871394 has 64 divisors (see below), whose sum is σ = 2354260204800. Its totient is φ = 302195477376.

The previous prime is 982939871393. The next prime is 982939871423. The reversal of 982939871394 is 493178939289.

982939871394 is a `hidden beast` number, since 9 + 82 + 9 + 3 + 98 + 71 + 394 = 666.

It is not an unprimeable number, because it can be changed into a prime (982939871393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286102 + ... + 1430990.

It is an arithmetic number, because the mean of its divisors is an integer number (36785315700).

Almost surely, 2982939871394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 982939871394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177130102400).

982939871394 is an abundant number, since it is smaller than the sum of its proper divisors (1371320333406).

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

982939871394 is a wasteful number, since it uses less digits than its factorization.

982939871394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146136 (or 1146130 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 72.

The spelling of 982939871394 in words is "nine hundred eighty-two billion, nine hundred thirty-nine million, eight hundred seventy-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1223 2446 3669 7338 11007 15899 22014 31798 33021 47697 66042 95394 143091 286182 429273 858546 1144889 2289778 3434667 6869334 10304001 14883557 20608002 29767114 30912003 44650671 61824006 89301342 133952013 267904026 401856039 803712078 1400199247 2800398494 4200597741 8401195482 12601793223 18202590211 25203586446 36405180422 37805379669 54607770633 75610759338 109215541266 163823311899 327646623798 491469935697 982939871394