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316493720090 = 2531649372009
BaseRepresentation
bin1001001101100000111…
…11101110101000011010
31010020220222202211011222
410212300133232220122
520141134343020330
6401221210452042
731603003143002
oct4466037565032
91106828684158
10316493720090
111122514aa329
1251409134022
1323acac7b6b2
14114658b3002
1583756cc0e5
hex49b07eea1a

316493720090 has 8 divisors (see below), whose sum is σ = 569688696180. Its totient is φ = 126597488032.

The previous prime is 316493720087. The next prime is 316493720113. The reversal of 316493720090 is 90027394613.

It can be written as a sum of positive squares in 2 ways, for example, as 310874268721 + 5619451369 = 557561^2 + 74963^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15824685995 + ... + 15824686014.

Almost surely, 2316493720090 is an apocalyptic number.

316493720090 is a deficient number, since it is larger than the sum of its proper divisors (253194976090).

316493720090 is a wasteful number, since it uses less digits than its factorization.

316493720090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31649372016.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 316493720090 in words is "three hundred sixteen billion, four hundred ninety-three million, seven hundred twenty thousand, ninety".

Divisors: 1 2 5 10 31649372009 63298744018 158246860045 316493720090