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13222212042 = 2313169515539
BaseRepresentation
bin11000101000001101…
…01111000111001010
31021010110220222002010
430110012233013022
5204034341241132
610024005520350
7645441643104
oct142406570712
937113828063
1013222212042
115675659676
1226901130b6
131329435210
148d6090574
15525be76cc
hex3141af1ca

13222212042 has 16 divisors (see below), whose sum is σ = 28478610720. Its totient is φ = 4068372912.

The previous prime is 13222212041. The next prime is 13222212049. The reversal of 13222212042 is 24021222231.

It is not an unprimeable number, because it can be changed into a prime (13222212041) 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, 84757692 + ... + 84757847.

It is an arithmetic number, because the mean of its divisors is an integer number (1779913170).

Almost surely, 213222212042 is an apocalyptic number.

13222212042 is an abundant number, since it is smaller than the sum of its proper divisors (15256398678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222212042 is a wasteful number, since it uses less digits than its factorization.

13222212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169515557.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13222212042 its reverse (24021222231), we get a palindrome (37243434273).

The spelling of 13222212042 in words is "thirteen billion, two hundred twenty-two million, two hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 169515539 339031078 508546617 1017093234 2203702007 4407404014 6611106021 13222212042