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10531994526690 = 235721326910611931
BaseRepresentation
bin1001100101000010101111…
…0010101110001111100010
31101021211220210210022200220
42121100223302232033202
52340024011044323230
634222155334023510
72134624433250300
oct231205362561742
941254823708626
1010531994526690
1133a0659383a0a
1212212077a7b96
135b521694a3a0
14285a7362d270
15133e64830d10
hex9942bcae3e2

10531994526690 has 384 divisors, whose sum is σ = 31829571406080. Its totient is φ = 2210642380800.

The previous prime is 10531994526629. The next prime is 10531994526709. The reversal of 10531994526690 is 9662549913501.

10531994526690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105319945266902 (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5454165025 + ... + 5454166955.

It is an arithmetic number, because the mean of its divisors is an integer number (82889508870).

Almost surely, 210531994526690 is an apocalyptic number.

10531994526690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10531994526690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15914785703040).

10531994526690 is an abundant number, since it is smaller than the sum of its proper divisors (21297576879390).

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

10531994526690 is a wasteful number, since it uses less digits than its factorization.

10531994526690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 10531994526690 in words is "ten trillion, five hundred thirty-one billion, nine hundred ninety-four million, five hundred twenty-six thousand, six hundred ninety".