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31828442248 = 2313130370651
BaseRepresentation
bin11101101001000111…
…110111110010001000
310001011011211101121101
4131221013313302020
51010141040122443
622342145551144
72204511203161
oct355107676210
9101134741541
1031828442248
1112553364829
1262033454b4
1330031330a5
14177d206768
15c643ee84d
hex7691f7c88

31828442248 has 16 divisors (see below), whose sum is σ = 60133890960. Its totient is φ = 15792738000.

The previous prime is 31828442209. The next prime is 31828442263. The reversal of 31828442248 is 84224482813.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31828442198 and 31828442207.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15184278 + ... + 15186373.

It is an arithmetic number, because the mean of its divisors is an integer number (3758368185).

Almost surely, 231828442248 is an apocalyptic number.

It is an amenable number.

31828442248 is a deficient number, since it is larger than the sum of its proper divisors (28305448712).

31828442248 is a wasteful number, since it uses less digits than its factorization.

31828442248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30370788 (or 30370784 counting only the distinct ones).

The product of its digits is 786432, while the sum is 46.

The spelling of 31828442248 in words is "thirty-one billion, eight hundred twenty-eight million, four hundred forty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 131 262 524 1048 30370651 60741302 121482604 242965208 3978555281 7957110562 15914221124 31828442248