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12434355900 = 22335217614441
BaseRepresentation
bin10111001010010010…
…10011011010111100
31012002120102201122000
423211021103122330
5200431143342100
65413503222300
7620064165321
oct134511233274
935076381560
1012434355900
11530096269a
1224b02a7990
131232144955
1485d5a6b48
154cb96d900
hex2e52536bc

12434355900 has 288 divisors, whose sum is σ = 43029120960. Its totient is φ = 3068928000.

The previous prime is 12434355863. The next prime is 12434355931. The reversal of 12434355900 is 955343421.

12434355900 is a `hidden beast` number, since 1 + 2 + 4 + 34 + 35 + 590 + 0 = 666.

It is a super-2 number, since 2×124343559002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2797680 + ... + 2802120.

It is an arithmetic number, because the mean of its divisors is an integer number (149406670).

Almost surely, 212434355900 is an apocalyptic number.

12434355900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12434355900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21514560480).

12434355900 is an abundant number, since it is smaller than the sum of its proper divisors (30594765060).

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

12434355900 is a wasteful number, since it uses less digits than its factorization.

12434355900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 12434355900 in words is "twelve billion, four hundred thirty-four million, three hundred fifty-five thousand, nine hundred".