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31542106038 = 2315733484189
BaseRepresentation
bin11101011000000011…
…100101011110110110
310000102020001000011120
4131120003211132312
51004044234343123
622253520444410
72164433322552
oct353003453666
9100366030146
1031542106038
1112416773133
126143479706
132c88a0a691
14175318c862
15c491de2e3
hex7580e57b6

31542106038 has 16 divisors (see below), whose sum is σ = 63486024240. Its totient is φ = 10447066656.

The previous prime is 31542106009. The next prime is 31542106049. The reversal of 31542106038 is 83060124513.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16741153 + ... + 16743036.

It is an arithmetic number, because the mean of its divisors is an integer number (3967876515).

Almost surely, 231542106038 is an apocalyptic number.

31542106038 is an abundant number, since it is smaller than the sum of its proper divisors (31943918202).

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

31542106038 is a wasteful number, since it uses less digits than its factorization.

31542106038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33484351.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 31542106038 in words is "thirty-one billion, five hundred forty-two million, one hundred six thousand, thirty-eight".

Divisors: 1 2 3 6 157 314 471 942 33484189 66968378 100452567 200905134 5257017673 10514035346 15771053019 31542106038