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31406273245 = 538471632767
BaseRepresentation
bin11101001111111101…
…011011001011011101
310000001202102222121101
4131033331123023131
51003310001220440
622232225233101
72161163626564
oct351775331335
9100052388541
1031406273245
1112357027a26
126105a92791
132c6682c049
14173d110bdb
15c3c30c69a
hex74ff5b2dd

31406273245 has 8 divisors (see below), whose sum is σ = 37697347584. Its totient is φ = 25118472144.

The previous prime is 31406273209. The next prime is 31406273251. The reversal of 31406273245 is 54237260413.

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

It is a cyclic number.

It is not a de Polignac number, because 31406273245 - 215 = 31406240477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797149 + ... + 835618.

It is an arithmetic number, because the mean of its divisors is an integer number (4712168448).

Almost surely, 231406273245 is an apocalyptic number.

It is an amenable number.

31406273245 is a deficient number, since it is larger than the sum of its proper divisors (6291074339).

31406273245 is a wasteful number, since it uses less digits than its factorization.

31406273245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636619.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 31406273245 in words is "thirty-one billion, four hundred six million, two hundred seventy-three thousand, two hundred forty-five".

Divisors: 1 5 3847 19235 1632767 8163835 6281254649 31406273245