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10131554304 = 2143337619
BaseRepresentation
bin10010110111110001…
…10100000000000000
3222011002022021201000
421123320310000000
5131222134214204
64353202212000
7506032535124
oct113370640000
928132267630
1010131554304
114329aa8783
121b69054000
13c5602b561
146c1809584
153e46e7039
hex25be34000

10131554304 has 240 divisors, whose sum is σ = 30879620800. Its totient is φ = 3280601088.

The previous prime is 10131554249. The next prime is 10131554309. The reversal of 10131554304 is 40345513101.

It is a happy number.

10131554304 is a `hidden beast` number, since 101 + 3 + 1 + 554 + 3 + 0 + 4 = 666.

It is a super-2 number, since 2×101315543042 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131554309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16367307 + ... + 16367925.

Almost surely, 210131554304 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 10131554304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15439810400).

10131554304 is an abundant number, since it is smaller than the sum of its proper divisors (20748066496).

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

10131554304 is an frugal number, since it uses more digits than its factorization.

10131554304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 10131554304 in words is "ten billion, one hundred thirty-one million, five hundred fifty-four thousand, three hundred four".