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10040022103 = 81013123931
BaseRepresentation
bin10010101100110111…
…01001010001010111
3221220201001222010111
421112123221101113
5131030221201403
64340132303451
7503541531316
oct112633512127
927821058114
1010040022103
114292370231
121b42471b87
13c400910a7
146b35c027d
153db66656d
hex2566e9457

10040022103 has 4 divisors (see below), whose sum is σ = 10040227048. Its totient is φ = 10039817160.

The previous prime is 10040022071. The next prime is 10040022191. The reversal of 10040022103 is 30122004001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30122004001 = 57752204513.

It is a cyclic number.

It is not a de Polignac number, because 10040022103 - 25 = 10040022071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040022803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048 + ... + 142978.

It is an arithmetic number, because the mean of its divisors is an integer number (2510056762).

Almost surely, 210040022103 is an apocalyptic number.

10040022103 is a deficient number, since it is larger than the sum of its proper divisors (204945).

10040022103 is an equidigital number, since it uses as much as digits as its factorization.

10040022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204944.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10040022103 its reverse (30122004001), we get a palindrome (40162026104).

The spelling of 10040022103 in words is "ten billion, forty million, twenty-two thousand, one hundred three".

Divisors: 1 81013 123931 10040022103