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11213221029 = 3173173891783
BaseRepresentation
bin10100111000101110…
…00010110010100101
31001221110122122111120
422130113002302211
5140431041033104
65052402124153
7544605543333
oct123427026245
931843578446
1011213221029
114834630a1a
12220b350659
13109916063a
14785334b53
1545965acd9
hex29c5c2ca5

11213221029 has 32 divisors (see below), whose sum is σ = 15930120960. Its totient is φ = 6991598592.

The previous prime is 11213221009. The next prime is 11213221031. The reversal of 11213221029 is 92012231211.

It is not a de Polignac number, because 11213221029 - 28 = 11213220773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213221009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6288072 + ... + 6289854.

It is an arithmetic number, because the mean of its divisors is an integer number (497816280).

Almost surely, 211213221029 is an apocalyptic number.

It is an amenable number.

11213221029 is a deficient number, since it is larger than the sum of its proper divisors (4716899931).

11213221029 is a wasteful number, since it uses less digits than its factorization.

11213221029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 11213221029 in words is "eleven billion, two hundred thirteen million, two hundred twenty-one thousand, twenty-nine".

Divisors: 1 3 17 51 317 389 951 1167 1783 5349 5389 6613 16167 19839 30311 90933 123313 369939 565211 693587 1695633 2080761 2096321 6288963 9608587 11790979 28825761 35372937 219867079 659601237 3737740343 11213221029