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42597617513472 = 21035733371481
BaseRepresentation
bin10011010111110000001111…
…10111000011010000000000
312120211021220012120001200000
421223320013313003100000
521040404410040412342
6230333024134400000
711654401446435000
oct1153700767032000
9176737805501600
1042597617513472
111263360362901a
12493b853b00000
131a9cc26cc3098
14a73a42a2c000
154dd0dd80044c
hex26be07dc3400

42597617513472 has 1056 divisors, whose sum is σ = 149294607571200. Its totient is φ = 12126439342080.

The previous prime is 42597617513461. The next prime is 42597617513501. The reversal of 42597617513472 is 27431571679524.

It is a happy number.

42597617513472 is a `hidden beast` number, since 4 + 2 + 5 + 9 + 7 + 617 + 5 + 1 + 3 + 4 + 7 + 2 = 666.

It is a super-2 number, since 2×425976175134722 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28762738972 + ... + 28762740452.

Almost surely, 242597617513472 is an apocalyptic number.

42597617513472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42597617513472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74647303785600).

42597617513472 is an abundant number, since it is smaller than the sum of its proper divisors (106696990057728).

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

42597617513472 is an equidigital number, since it uses as much as digits as its factorization.

42597617513472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1830 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 42597617513472 in words is "forty-two trillion, five hundred ninety-seven billion, six hundred seventeen million, five hundred thirteen thousand, four hundred seventy-two".