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31417245148 = 22174191102669
BaseRepresentation
bin11101010000100111…
…010001110111011100
310000002112002102020011
4131100213101313130
51003320303321043
622233300333004
72161356114622
oct352047216734
9100075072204
1031417245148
1112362241313
1261096a4164
132c68ba10b3
141740769512
15c3d27859d
hex7509d1ddc

31417245148 has 24 divisors (see below), whose sum is σ = 58353296400. Its totient is φ = 14749287168.

The previous prime is 31417245143. The next prime is 31417245203. The reversal of 31417245148 is 84154271413.

It is a self number, because there is not a number n which added to its sum of digits gives 31417245148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31417245143) 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 7 ways as a sum of consecutive naturals, for example, 522843 + ... + 579826.

It is an arithmetic number, because the mean of its divisors is an integer number (2431387350).

Almost surely, 231417245148 is an apocalyptic number.

It is an amenable number.

31417245148 is a deficient number, since it is larger than the sum of its proper divisors (26936051252).

31417245148 is a wasteful number, since it uses less digits than its factorization.

31417245148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103109 (or 1103107 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The spelling of 31417245148 in words is "thirty-one billion, four hundred seventeen million, two hundred forty-five thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 419 838 1676 7123 14246 28492 1102669 2205338 4410676 18745373 37490746 74981492 462018311 924036622 1848073244 7854311287 15708622574 31417245148