Search a number
-
+
31354264450154 = 287293179592089
BaseRepresentation
bin1110010000100001110111…
…10010110111010001101010
311010000102211121011220012102
413020100323302313101222
513102202013144401104
6150403541130213402
76414161621314622
oct710207362672152
9133012747156172
1031354264450154
119a992a5972868
1236247bb884262
131465904929799
147a57a9777882
153958e2b54a1e
hex1c843bcb746a

31354264450154 has 8 divisors (see below), whose sum is σ = 47031935713380. Its totient is φ = 15676952545696.

The previous prime is 31354264450141. The next prime is 31354264450237. The reversal of 31354264450154 is 45105446245313.

It can be written as a sum of positive squares in 2 ways, for example, as 31319390755129 + 34873695025 = 5596373^2 + 186745^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31354264450099 and 31354264450108.

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, 89621459 + ... + 89970630.

Almost surely, 231354264450154 is an apocalyptic number.

31354264450154 is a deficient number, since it is larger than the sum of its proper divisors (15677671263226).

31354264450154 is a wasteful number, since it uses less digits than its factorization.

31354264450154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179679384.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 31354264450154 in words is "thirty-one trillion, three hundred fifty-four billion, two hundred sixty-four million, four hundred fifty thousand, one hundred fifty-four".

Divisors: 1 2 87293 174586 179592089 359184178 15677132225077 31354264450154