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12857783224430 = 251285778322443
BaseRepresentation
bin1011101100011010111110…
…0110100000100001101110
31200112012012000112210010102
42323012233212200201232
53141130220001140210
643202441205311102
72464641566063504
oct273065746404156
950465160483112
1012857783224430
114107a56479331
121537b11705492
13723639a70201
1432646a230674
151746d9032ea5
hexbb1af9a086e

12857783224430 has 8 divisors (see below), whose sum is σ = 23144009803992. Its totient is φ = 5143113289768.

The previous prime is 12857783224427. The next prime is 12857783224457. The reversal of 12857783224430 is 3442238775821.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642889161212 + ... + 642889161231.

It is an arithmetic number, because the mean of its divisors is an integer number (2893001225499).

Almost surely, 212857783224430 is an apocalyptic number.

12857783224430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12857783224430 is a deficient number, since it is larger than the sum of its proper divisors (10286226579562).

12857783224430 is a wasteful number, since it uses less digits than its factorization.

12857783224430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285778322450.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 12857783224430 in words is "twelve trillion, eight hundred fifty-seven billion, seven hundred eighty-three million, two hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 1285778322443 2571556644886 6428891612215 12857783224430