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798041874981 = 31341574922447
BaseRepresentation
bin10111001110011110000…
…00001010001000100101
32211021212220120200102210
423213033000022020211
5101033342204444411
61410340530554033
7111441136004511
oct13471700121045
92737786520383
10798041874981
112884a191945a
1210a7ba738919
135a3413a4410
142a8a828b141
1515b5b451ca6
hexb9cf00a225

798041874981 has 16 divisors (see below), whose sum is σ = 1146182171904. Its totient is φ = 490984453824.

The previous prime is 798041874943. The next prime is 798041874997. The reversal of 798041874981 is 189478140897.

It is not a de Polignac number, because 798041874981 - 217 = 798041743909 is a prime.

It is a super-2 number, since 2×7980418749812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798041874911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299101 + ... + 2623346.

It is an arithmetic number, because the mean of its divisors is an integer number (71636385744).

Almost surely, 2798041874981 is an apocalyptic number.

It is an amenable number.

798041874981 is a deficient number, since it is larger than the sum of its proper divisors (348140296923).

798041874981 is a wasteful number, since it uses less digits than its factorization.

798041874981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926620.

The product of its (nonzero) digits is 32514048, while the sum is 66.

The spelling of 798041874981 in words is "seven hundred ninety-eight billion, forty-one million, eight hundred seventy-four thousand, nine hundred eighty-one".

Divisors: 1 3 13 39 4157 12471 54041 162123 4922447 14767341 63991811 191975433 20462612179 61387836537 266013958327 798041874981