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13153222100 = 2252166978809
BaseRepresentation
bin11000011111111111…
…00011110111010100
31020221200002220200002
430033333203313110
5203414211101400
610013103110432
7643643354204
oct141777436724
936850086602
1013153222100
11563a718497
122670ba2418
13131805b375
148cac52404
1551eb1aed5
hex30ffe3dd4

13153222100 has 36 divisors (see below), whose sum is σ = 28559955900. Its totient is φ = 5258069760.

The previous prime is 13153222087. The next prime is 13153222139. The reversal of 13153222100 is 122235131.

It can be written as a sum of positive squares in 6 ways, for example, as 3138016324 + 10015205776 = 56018^2 + 100076^2 .

It is a super-2 number, since 2×131532221002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127496 + ... + 206304.

Almost surely, 213153222100 is an apocalyptic number.

13153222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13153222100 is an abundant number, since it is smaller than the sum of its proper divisors (15406733800).

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

13153222100 is a wasteful number, since it uses less digits than its factorization.

13153222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80492 (or 80485 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13153222100 its reverse (122235131), we get a palindrome (13275457231).

The spelling of 13153222100 in words is "thirteen billion, one hundred fifty-three million, two hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1669 3338 6676 8345 16690 33380 41725 78809 83450 157618 166900 315236 394045 788090 1576180 1970225 3940450 7880900 131532221 263064442 526128884 657661105 1315322210 2630644420 3288305525 6576611050 13153222100