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31641016142 = 223687848177
BaseRepresentation
bin11101011101111100…
…111001011101001110
310000200010011011022202
4131131330321131032
51004300100004032
622311412441502
72200044125321
oct353574713516
9100603134282
1031641016142
111246758a81a
126170619292
132ca335c078
1417623787b8
15c52c2ad62
hex75df3974e

31641016142 has 8 divisors (see below), whose sum is σ = 49525068816. Its totient is φ = 15132659872.

The previous prime is 31641016133. The next prime is 31641016151. The reversal of 31641016142 is 24161014613.

It is an interprime number because it is at equal distance from previous prime (31641016133) and next prime (31641016151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343924043 + ... + 343924134.

It is an arithmetic number, because the mean of its divisors is an integer number (6190633602).

Almost surely, 231641016142 is an apocalyptic number.

31641016142 is a deficient number, since it is larger than the sum of its proper divisors (17884052674).

31641016142 is a wasteful number, since it uses less digits than its factorization.

31641016142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687848202.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 31641016142 in words is "thirty-one billion, six hundred forty-one million, sixteen thousand, one hundred forty-two".

Divisors: 1 2 23 46 687848177 1375696354 15820508071 31641016142