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10001130985 = 519105275063
BaseRepresentation
bin10010101000001110…
…10010010111101001
3221210222220002112201
421110013102113221
5130440242142420
64332222540201
7502560132166
oct112407222751
927728802481
1010001130985
11427241780a
121b31437661
13c34cc51b1
146ac37906d
153d803310a
hex2541d25e9

10001130985 has 8 divisors (see below), whose sum is σ = 12633007680. Its totient is φ = 7579804464.

The previous prime is 10001130973. The next prime is 10001131027. The reversal of 10001130985 is 58903110001.

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 10001130985 - 27 = 10001130857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52637437 + ... + 52637626.

It is an arithmetic number, because the mean of its divisors is an integer number (1579125960).

Almost surely, 210001130985 is an apocalyptic number.

It is an amenable number.

10001130985 is a deficient number, since it is larger than the sum of its proper divisors (2631876695).

10001130985 is a wasteful number, since it uses less digits than its factorization.

10001130985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105275087.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 10001130985 its reverse (58903110001), we get a palindrome (68904240986).

The spelling of 10001130985 in words is "ten billion, one million, one hundred thirty thousand, nine hundred eighty-five".

Divisors: 1 5 19 95 105275063 526375315 2000226197 10001130985