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498721909941 = 3264186448589
BaseRepresentation
bin1110100000111100010…
…01000110110010110101
31202200021210021000021200
413100132021012302311
531132340302104231
61021035405203113
751013536201303
oct7203611066265
91680253230250
10498721909941
11182563575522
12807a4b60499
133804c414678
141a1d15a7273
15ce8d81ebe6
hex741e246cb5

498721909941 has 12 divisors (see below), whose sum is σ = 721499932140. Its totient is φ = 331962577920.

The previous prime is 498721909919. The next prime is 498721910023. The reversal of 498721909941 is 149909127894.

498721909941 is a `hidden beast` number, since 498 + 7 + 2 + 19 + 0 + 99 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 249575180625 + 249146729316 = 499575^2 + 499146^2 .

It is not a de Polignac number, because 498721909941 - 25 = 498721909909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498721909841) 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 11 ways as a sum of consecutive naturals, for example, 43218526 + ... + 43230063.

It is an arithmetic number, because the mean of its divisors is an integer number (60124994345).

Almost surely, 2498721909941 is an apocalyptic number.

It is an amenable number.

498721909941 is a deficient number, since it is larger than the sum of its proper divisors (222778022199).

498721909941 is a wasteful number, since it uses less digits than its factorization.

498721909941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86449236 (or 86449233 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 498721909941 in words is "four hundred ninety-eight billion, seven hundred twenty-one million, nine hundred nine thousand, nine hundred forty-one".

Divisors: 1 3 9 641 1923 5769 86448589 259345767 778037301 55413545549 166240636647 498721909941