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712056650217 = 31155193909671
BaseRepresentation
bin10100101110010011110…
…00100011100111101001
32112001221110012200120120
422113021320203213221
543131243000301332
61303040405113453
7102305266443153
oct12271170434751
92461843180516
10712056650217
11254a88463430
12b60023b8889
13521ba277ab3
142666c66bad3
15137c77b832c
hexa5c9e239e9

712056650217 has 16 divisors (see below), whose sum is σ = 1035906693120. Its totient is φ = 431471181200.

The previous prime is 712056650213. The next prime is 712056650231.

It is a happy number.

712056650217 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 712056650217 - 22 = 712056650213 is a prime.

It is a super-2 number, since 2×7120566502172 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (712056650213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772709 + ... + 2136962.

It is an arithmetic number, because the mean of its divisors is an integer number (64744168320).

Almost surely, 2712056650217 is an apocalyptic number.

It is an amenable number.

712056650217 is a deficient number, since it is larger than the sum of its proper divisors (323850042903).

712056650217 is a wasteful number, since it uses less digits than its factorization.

712056650217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915204.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 712056650217 in words is "seven hundred twelve billion, fifty-six million, six hundred fifty thousand, two hundred seventeen".

Divisors: 1 3 11 33 5519 16557 60709 182127 3909671 11729013 43006381 129019143 21577474249 64732422747 237352216739 712056650217