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12142046357 = 7172322719543
BaseRepresentation
bin10110100111011100…
…01110110010010101
31011100012101212022122
423103232032302111
5144331330440412
65324502105325
7606614456030
oct132356166225
934305355278
1012142046357
115170961161
12242a41b245
1311b670a41c
14832836017
154b0e7d572
hex2d3b8ec95

12142046357 has 32 divisors (see below), whose sum is σ = 15400046592. Its totient is φ = 9327631104.

The previous prime is 12142046333. The next prime is 12142046359. The reversal of 12142046357 is 75364024121.

It is a cyclic number.

It is not a de Polignac number, because 12142046357 - 214 = 12142029973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142046359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611528 + ... + 631070.

It is an arithmetic number, because the mean of its divisors is an integer number (481251456).

Almost surely, 212142046357 is an apocalyptic number.

12142046357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12142046357 is a deficient number, since it is larger than the sum of its proper divisors (3258000235).

12142046357 is a wasteful number, since it uses less digits than its factorization.

12142046357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 12142046357 in words is "twelve billion, one hundred forty-two million, forty-six thousand, three hundred fifty-seven".

Divisors: 1 7 17 23 119 161 227 391 1589 2737 3859 5221 19543 27013 36547 88757 136801 332231 449489 621299 2325617 3146423 4436261 7641313 31053827 53489191 75416437 102034003 527915059 714238021 1734578051 12142046357