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11430215351 = 49123279461
BaseRepresentation
bin10101010010100101…
…10011111010110111
31002111120222002202022
422221102303322313
5141402113342401
65130113103355
7553152141002
oct125122637267
932446862668
1011430215351
114936070a75
12226bb57b5b
1311020b7c49
147a609c539
1546d72071b
hex2a94b3eb7

11430215351 has 4 divisors (see below), whose sum is σ = 11453495304. Its totient is φ = 11406935400.

The previous prime is 11430215327. The next prime is 11430215359. The reversal of 11430215351 is 15351203411.

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 11430215351 - 218 = 11429953207 is a prime.

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 11430215351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430215359) 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, 11639240 + ... + 11640221.

It is an arithmetic number, because the mean of its divisors is an integer number (2863373826).

Almost surely, 211430215351 is an apocalyptic number.

11430215351 is a deficient number, since it is larger than the sum of its proper divisors (23279953).

11430215351 is an equidigital number, since it uses as much as digits as its factorization.

11430215351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23279952.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11430215351 its reverse (15351203411), we get a palindrome (26781418762).

The spelling of 11430215351 in words is "eleven billion, four hundred thirty million, two hundred fifteen thousand, three hundred fifty-one".

Divisors: 1 491 23279461 11430215351