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498989633472 = 26331119272719
BaseRepresentation
bin1110100001011100001…
…10011000111111000000
31202200222110000202221000
413100232012120333000
531133412321232342
61021122131332000
751023266621341
oct7205606307700
91680873022830
10498989633472
11182690704140
128085a751000
1338092a21265
141a218d780c8
15cea70a544c
hex742e198fc0

498989633472 has 336 divisors, whose sum is σ = 1688977267200. Its totient is φ = 143248642560.

The previous prime is 498989633449. The next prime is 498989633479. The reversal of 498989633472 is 274336989894.

498989633472 is a `hidden beast` number, since 4 + 9 + 8 + 98 + 9 + 63 + 3 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 498989633472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498989633479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6825529 + ... + 6898247.

Almost surely, 2498989633472 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 498989633472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844488633600).

498989633472 is an abundant number, since it is smaller than the sum of its proper divisors (1189987633728).

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

498989633472 is a wasteful number, since it uses less digits than its factorization.

498989633472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72789 (or 72754 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 72.

The spelling of 498989633472 in words is "four hundred ninety-eight billion, nine hundred eighty-nine million, six hundred thirty-three thousand, four hundred seventy-two".