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13123223300 = 22521111930203
BaseRepresentation
bin11000011100011010…
…00111111100000100
31020212120122211001102
430032031013330010
5203334021121200
610010112115232
7643130362145
oct141615077404
936776584042
1013123223300
1156247989a0
122662b35b18
131311a86ab5
148c6c83acc
1551c1926d5
hex30e347f04

13123223300 has 36 divisors (see below), whose sum is σ = 31066251216. Its totient is φ = 4772080800.

The previous prime is 13123223293. The next prime is 13123223353. The reversal of 13123223300 is 332232131.

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

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, 5964002 + ... + 5966201.

Almost surely, 213123223300 is an apocalyptic number.

13123223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123223300 is an abundant number, since it is smaller than the sum of its proper divisors (17943027916).

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

13123223300 is a wasteful number, since it uses less digits than its factorization.

13123223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930228 (or 11930221 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13123223300 its reverse (332232131), we get a palindrome (13455455431).

The spelling of 13123223300 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 11930203 23860406 47720812 59651015 119302030 131232233 238604060 262464466 298255075 524928932 596510150 656161165 1193020300 1312322330 2624644660 3280805825 6561611650 13123223300