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10040430021 = 34397623713
BaseRepresentation
bin10010101100111010…
…01100110111000101
3221220201211200200120
421112131030313011
5131030322230041
64340145132153
7503545150506
oct112635146705
927821750616
1010040430021
114292619756
121b4262a059
13c401a496b
146b3688bad
153db6e7366
hex25674cdc5

10040430021 has 8 divisors (see below), whose sum is σ = 13417736640. Its totient is φ = 6678371712.

The previous prime is 10040430013. The next prime is 10040430041. The reversal of 10040430021 is 12003404001.

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

It is not a de Polignac number, because 10040430021 - 23 = 10040430013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040430041) 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, 3810540 + ... + 3813173.

It is an arithmetic number, because the mean of its divisors is an integer number (1677217080).

Almost surely, 210040430021 is an apocalyptic number.

It is an amenable number.

10040430021 is a deficient number, since it is larger than the sum of its proper divisors (3377306619).

10040430021 is an equidigital number, since it uses as much as digits as its factorization.

10040430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624155.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10040430021 its reverse (12003404001), we get a palindrome (22043834022).

The spelling of 10040430021 in words is "ten billion, forty million, four hundred thirty thousand, twenty-one".

Divisors: 1 3 439 1317 7623713 22871139 3346810007 10040430021