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12072214438 = 210756412217
BaseRepresentation
bin10110011111000111…
…10101111110100110
31011011100000000221021
423033203311332212
5144210441330223
65313525241354
7605106062314
oct131743657646
934140000837
1012072214438
1151354a5429
12240ab6325a
1311a50ca26b
148274590b4
154a9c8765d
hex2cf8f5fa6

12072214438 has 8 divisors (see below), whose sum is σ = 18277558632. Its totient is φ = 5979694896.

The previous prime is 12072214397. The next prime is 12072214501. The reversal of 12072214438 is 83441227021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×120722144383 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28205895 + ... + 28206322.

It is an arithmetic number, because the mean of its divisors is an integer number (2284694829).

Almost surely, 212072214438 is an apocalyptic number.

12072214438 is a deficient number, since it is larger than the sum of its proper divisors (6205344194).

12072214438 is a wasteful number, since it uses less digits than its factorization.

12072214438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56412326.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 12072214438 in words is "twelve billion, seventy-two million, two hundred fourteen thousand, four hundred thirty-eight".

Divisors: 1 2 107 214 56412217 112824434 6036107219 12072214438