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10232535421 = 29352846049
BaseRepresentation
bin10011000011110100…
…00001100101111101
3222102010022122202101
421201322001211331
5131424012113141
64411210425101
7511400054533
oct114172014575
928363278671
1010232535421
114380aaa349
121b96a32191
13c70c267b4
146d0db4153
153ed4e2531
hex261e8197d

10232535421 has 4 divisors (see below), whose sum is σ = 10585381500. Its totient is φ = 9879689344.

The previous prime is 10232535409. The next prime is 10232535493. The reversal of 10232535421 is 12453523201.

10232535421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12453523201 = 71779074743.

It can be written as a sum of positive squares in 2 ways, for example, as 2571909796 + 7660625625 = 50714^2 + 87525^2 .

It is a cyclic number.

It is not a de Polignac number, because 10232535421 - 27 = 10232535293 is a prime.

It is a super-2 number, since 2×102325354212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10232535421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10232535221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176422996 + ... + 176423053.

It is an arithmetic number, because the mean of its divisors is an integer number (2646345375).

Almost surely, 210232535421 is an apocalyptic number.

It is an amenable number.

10232535421 is a deficient number, since it is larger than the sum of its proper divisors (352846079).

10232535421 is an equidigital number, since it uses as much as digits as its factorization.

10232535421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352846078.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 10232535421 in words is "ten billion, two hundred thirty-two million, five hundred thirty-five thousand, four hundred twenty-one".

Divisors: 1 29 352846049 10232535421