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995518984964 = 2271731184736527
BaseRepresentation
bin11100111110010011000…
…11100011001100000100
310112011121102121021110012
432133021203203030010
5112302310330004324
62041200214445352
7131631613516160
oct16371143431404
93464542537405
10995518984964
11354219571a89
12140b31363858
1372b52b0b45a
143627d27dca0
151ad6817820e
hexe7c98e3304

995518984964 has 96 divisors (see below), whose sum is σ = 2177400766464. Its totient is φ = 388379496960.

The previous prime is 995518984961. The next prime is 995518984987. The reversal of 995518984964 is 469489815599.

It is not an unprimeable number, because it can be changed into a prime (995518984961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27236069 + ... + 27272595.

It is an arithmetic number, because the mean of its divisors is an integer number (22681257984).

Almost surely, 2995518984964 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 995518984964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088700383232).

995518984964 is an abundant number, since it is smaller than the sum of its proper divisors (1181881781500).

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

995518984964 is a wasteful number, since it uses less digits than its factorization.

995518984964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38433 (or 38431 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 77.

The spelling of 995518984964 in words is "nine hundred ninety-five billion, five hundred eighteen million, nine hundred eighty-four thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 17 28 31 34 62 68 119 124 217 238 434 476 527 868 1054 1847 2108 3689 3694 7378 7388 12929 14756 25858 31399 36527 51716 57257 62798 73054 114514 125596 146108 219793 229028 255689 400799 439586 511378 620959 801598 879172 973369 1022756 1132337 1241918 1603196 1946738 2264674 2483836 3893476 4346713 4529348 6813583 7926359 8693426 13627166 15852718 17386852 19249729 27254332 31705436 38499458 67465369 76998916 134748103 134930738 269496206 269861476 472257583 538992412 944515166 1146911273 1889030332 2091426439 2293822546 4182852878 4587645092 8028378911 8365705756 14639985073 16056757822 29279970146 32113515644 35554249463 58559940292 71108498926 142216997852 248879746241 497759492482 995518984964