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13214202450431 = 15838347569457
BaseRepresentation
bin1100000001001010101111…
…0101111101000111111111
31201210021011111012110010112
43000102223311331013333
53213000141311403211
644034304254300235
72532460153365413
oct300225365750777
951707144173115
1013214202450431
114235125876134
1215950017b767b
1374b12b51abc8
143397dc43cd43
1517dae98ce88b
hexc04abd7d1ff

13214202450431 has 4 divisors (see below), whose sum is σ = 13222550021472. Its totient is φ = 13205854879392.

The previous prime is 13214202450409. The next prime is 13214202450457. The reversal of 13214202450431 is 13405420241231.

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 13214202450431 - 214 = 13214202434047 is a prime.

It is a super-2 number, since 2×132142024504312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214202450131) 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, 4173783146 + ... + 4173786311.

It is an arithmetic number, because the mean of its divisors is an integer number (3305637505368).

Almost surely, 213214202450431 is an apocalyptic number.

13214202450431 is a deficient number, since it is larger than the sum of its proper divisors (8347571041).

13214202450431 is an equidigital number, since it uses as much as digits as its factorization.

13214202450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347571040.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13214202450431 its reverse (13405420241231), we get a palindrome (26619622691662).

The spelling of 13214202450431 in words is "thirteen trillion, two hundred fourteen billion, two hundred two million, four hundred fifty thousand, four hundred thirty-one".

Divisors: 1 1583 8347569457 13214202450431