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10121113003 = 43235374721
BaseRepresentation
bin10010110110100001…
…11110110110101011
3222010100122210221011
421123100332312223
5131212001104003
64352150324351
7505545020041
oct113320766653
928110583834
1010121113003
114324117001
121b656596b7
13c53b13b81
146c028c391
153e383346d
hex25b43edab

10121113003 has 4 divisors (see below), whose sum is σ = 10356487768. Its totient is φ = 9885738240.

The previous prime is 10121112997. The next prime is 10121113031. The reversal of 10121113003 is 30031112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121113003 - 229 = 9584242091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121113703) 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, 117687318 + ... + 117687403.

It is an arithmetic number, because the mean of its divisors is an integer number (2589121942).

Almost surely, 210121113003 is an apocalyptic number.

10121113003 is a deficient number, since it is larger than the sum of its proper divisors (235374765).

10121113003 is an equidigital number, since it uses as much as digits as its factorization.

10121113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235374764.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10121113003 its reverse (30031112101), we get a palindrome (40152225104).

The spelling of 10121113003 in words is "ten billion, one hundred twenty-one million, one hundred thirteen thousand, three".

Divisors: 1 43 235374721 10121113003