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312105098942 = 27131714863181
BaseRepresentation
bin1001000101010101110…
…10011101111010111110
31002211121010210202201222
410202222322131322332
520103142401131232
6355213515233342
731356153366110
oct4425272357276
91084533722658
10312105098942
111103aa2122aa
12505a3448852
132357b9a0a50
141116aabb3b0
1581ba28ed12
hex48aae9debe

312105098942 has 16 divisors (see below), whose sum is σ = 576194029152. Its totient is φ = 123470148960.

The previous prime is 312105098941. The next prime is 312105098993. The reversal of 312105098942 is 249890501213.

It is a junction number, because it is equal to n+sod(n) for n = 312105098893 and 312105098902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312105098941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 857431409 + ... + 857431772.

It is an arithmetic number, because the mean of its divisors is an integer number (36012126822).

Almost surely, 2312105098942 is an apocalyptic number.

312105098942 is a deficient number, since it is larger than the sum of its proper divisors (264088930210).

312105098942 is a wasteful number, since it uses less digits than its factorization.

312105098942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714863203.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 312105098942 in words is "three hundred twelve billion, one hundred five million, ninety-eight thousand, nine hundred forty-two".

Divisors: 1 2 7 13 14 26 91 182 1714863181 3429726362 12004042267 22293221353 24008084534 44586442706 156052549471 312105098942