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11402234431 = 710891149563
BaseRepresentation
bin10101001111010000…
…00100101000111111
31002102122022112010221
422213220010220333
5141322433000211
65123233242211
7552362251660
oct124750045077
932378275127
1011402234431
11492129a545
122262703367
1310c936bca3
147a2497367
1546b044c71
hex2a7a04a3f

11402234431 has 8 divisors (see below), whose sum is σ = 13032408704. Its totient is φ = 9772381080.

The previous prime is 11402234411. The next prime is 11402234443. The reversal of 11402234431 is 13443220411.

11402234431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11402234431 - 29 = 11402233919 is a prime.

It is a super-2 number, since 2×114022344312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11402234396 and 11402234405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402234411) 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 7 ways as a sum of consecutive naturals, for example, 1456 + ... + 151018.

It is an arithmetic number, because the mean of its divisors is an integer number (1629051088).

Almost surely, 211402234431 is an apocalyptic number.

11402234431 is a deficient number, since it is larger than the sum of its proper divisors (1630174273).

11402234431 is a wasteful number, since it uses less digits than its factorization.

11402234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160461.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11402234431 its reverse (13443220411), we get a palindrome (24845454842).

The spelling of 11402234431 in words is "eleven billion, four hundred two million, two hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 7 10891 76237 149563 1046941 1628890633 11402234431