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31458050089 = 731453296581
BaseRepresentation
bin11101010011000010…
…111100000000101001
310000012100212112002021
4131103002330000221
51003411230100324
622241315104441
72162363004514
oct352302740051
9100170775067
1031458050089
1112383281704
12611b2a2121
132c7448a12b
141745d4bd7b
15c41b38ae4
hex7530bc029

31458050089 has 8 divisors (see below), whose sum is σ = 31911036872. Its totient is φ = 31005659520.

The previous prime is 31458050087. The next prime is 31458050111. The reversal of 31458050089 is 98005085413.

It can be written as a sum of positive squares in 4 ways, for example, as 15398824464 + 16059225625 = 124092^2 + 126725^2 .

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 31458050089 - 21 = 31458050087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31458050087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42222 + ... + 254359.

It is an arithmetic number, because the mean of its divisors is an integer number (3988879609).

Almost surely, 231458050089 is an apocalyptic number.

It is an amenable number.

31458050089 is a deficient number, since it is larger than the sum of its proper divisors (452986783).

31458050089 is a wasteful number, since it uses less digits than its factorization.

31458050089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298107.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 31458050089 in words is "thirty-one billion, four hundred fifty-eight million, fifty thousand, eighty-nine".

Divisors: 1 73 1453 106069 296581 21650413 430932193 31458050089