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10076243981 = 292411441729
BaseRepresentation
bin10010110001001011…
…10100100000001101
3222000020020020012112
421120211310200031
5131114004301411
64343504513405
7504461442416
oct113045644015
928006206175
1010076243981
114300860271
121b5261b865
13c4773405b
146b832c80d
153de91db8b
hex25897480d

10076243981 has 8 divisors (see below), whose sum is σ = 10466959800. Its totient is φ = 9688412160.

The previous prime is 10076243977. The next prime is 10076243987. The reversal of 10076243981 is 18934267001.

It can be written as a sum of positive squares in 4 ways, for example, as 3309700900 + 6766543081 = 57530^2 + 82259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10076243981 - 22 = 10076243977 is a prime.

It is a super-2 number, since 2×100762439812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10076243987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713876 + ... + 727853.

It is an arithmetic number, because the mean of its divisors is an integer number (1308369975).

Almost surely, 210076243981 is an apocalyptic number.

It is an amenable number.

10076243981 is a deficient number, since it is larger than the sum of its proper divisors (390715819).

10076243981 is a wasteful number, since it uses less digits than its factorization.

10076243981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441999.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 10076243981 in words is "ten billion, seventy-six million, two hundred forty-three thousand, nine hundred eighty-one".

Divisors: 1 29 241 6989 1441729 41810141 347456689 10076243981