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12071690400 = 2535271165323
BaseRepresentation
bin10110011111000011…
…10110000010100000
31011011022000102002110
423033201312002200
5144210323043100
65313510115320
7605101450440
oct131741660240
934138012073
1012071690400
115135177740
12240a94bb40
1311a4c75893
14827360120
154a9bd2250
hex2cf8760a0

12071690400 has 288 divisors, whose sum is σ = 48989864448. Its totient is φ = 2508364800.

The previous prime is 12071690383. The next prime is 12071690437. The reversal of 12071690400 is 409617021.

It is a happy number.

It is a super-2 number, since 2×120716904002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152139 + ... + 217461.

It is an arithmetic number, because the mean of its divisors is an integer number (170103696).

Almost surely, 212071690400 is an apocalyptic number.

12071690400 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 12071690400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24494932224).

12071690400 is an abundant number, since it is smaller than the sum of its proper divisors (36918174048).

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

12071690400 is a wasteful number, since it uses less digits than its factorization.

12071690400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65364 (or 65351 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 12071690400 in words is "twelve billion, seventy-one million, six hundred ninety thousand, four hundred".