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31048740016 = 247277220893
BaseRepresentation
bin11100111010101001…
…100010110010110000
32222010211200102012221
4130322221202302300
51002041434140031
622132534130424
72146262635630
oct347251426260
988124612187
1031048740016
1112193227a18
1260261b0a14
132c0a739018
1417078426c0
15c1ac36a11
hex73aa62cb0

31048740016 has 20 divisors (see below), whose sum is σ = 68750781712. Its totient is φ = 13306602816.

The previous prime is 31048739977. The next prime is 31048740017. The reversal of 31048740016 is 61004784013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31048740017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 138610335 + ... + 138610558.

Almost surely, 231048740016 is an apocalyptic number.

It is an amenable number.

31048740016 is an abundant number, since it is smaller than the sum of its proper divisors (37702041696).

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

31048740016 is a wasteful number, since it uses less digits than its factorization.

31048740016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277220908 (or 277220902 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 31048740016 in words is "thirty-one billion, forty-eight million, seven hundred forty thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 277220893 554441786 1108883572 1940546251 2217767144 3881092502 4435534288 7762185004 15524370008 31048740016