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31253143454214 = 2311473532476579
BaseRepresentation
bin1110001101100101100001…
…00000111000001000000110
311002122202211022012001121120
413012302300200320020012
513044022414211013324
6150245255040254410
76403652013115443
oct706626040701006
9132582738161546
1031253143454214
119a5a424791940
12360909a611406
13145920aac7846
147a09358b09ca
15392e752d8179
hex1c6cb0838206

31253143454214 has 16 divisors (see below), whose sum is σ = 68188676627520. Its totient is φ = 9470649531560.

The previous prime is 31253143454209. The next prime is 31253143454233. The reversal of 31253143454214 is 41245434135213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236766238224 + ... + 236766238355.

It is an arithmetic number, because the mean of its divisors is an integer number (4261792289220).

Almost surely, 231253143454214 is an apocalyptic number.

31253143454214 is an abundant number, since it is smaller than the sum of its proper divisors (36935533173306).

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

31253143454214 is a wasteful number, since it uses less digits than its factorization.

31253143454214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473532476595.

The product of its digits is 691200, while the sum is 42.

Adding to 31253143454214 its reverse (41245434135213), we get a palindrome (72498577589427).

The spelling of 31253143454214 in words is "thirty-one trillion, two hundred fifty-three billion, one hundred forty-three million, four hundred fifty-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 473532476579 947064953158 1420597429737 2841194859474 5208857242369 10417714484738 15626571727107 31253143454214