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11213120202 = 2317201754503
BaseRepresentation
bin10100111000101101…
…01010001011001010
31001221110110112012020
422130112222023022
5140431024321302
65052400025310
7544604643354
oct123426521312
931843415166
1011213120202
114834572199
12220b302236
13109912678b
1478530a0d4
1545963aebc
hex29c5aa2ca

11213120202 has 32 divisors (see below), whose sum is σ = 23757639552. Its totient is φ = 3516033024.

The previous prime is 11213120183. The next prime is 11213120203. The reversal of 11213120202 is 20202131211.

11213120202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11213120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178483 + ... + 232985.

It is an arithmetic number, because the mean of its divisors is an integer number (742426236).

Almost surely, 211213120202 is an apocalyptic number.

11213120202 is an abundant number, since it is smaller than the sum of its proper divisors (12544519350).

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

11213120202 is a wasteful number, since it uses less digits than its factorization.

11213120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56542.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11213120202 its reverse (20202131211), we get a palindrome (31415251413).

The spelling of 11213120202 in words is "eleven billion, two hundred thirteen million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 2017 4034 6051 12102 34289 54503 68578 102867 109006 163509 205734 327018 926551 1853102 2779653 5559306 109932551 219865102 329797653 659595306 1868853367 3737706734 5606560101 11213120202