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1311250034 = 22381275357
BaseRepresentation
bin100111000101000…
…0001011001110010
310101101100101220002
41032022001121302
510141140000114
6334040350002
744331304253
oct11612013162
93341311802
101311250034
11613191616
12307175302
1317b8767c3
14c620cb2a
157a1b37de
hex4e281672

1311250034 has 8 divisors (see below), whose sum is σ = 1967708268. Its totient is φ = 655347280.

The previous prime is 1311250007. The next prime is 1311250091. The reversal of 1311250034 is 4300521131.

It can be written as a sum of positive squares in 2 ways, for example, as 1228712809 + 82537225 = 35053^2 + 9085^2 .

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 = 1311249988 and 1311250015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132917 + ... + 142440.

Almost surely, 21311250034 is an apocalyptic number.

1311250034 is a deficient number, since it is larger than the sum of its proper divisors (656458234).

1311250034 is a wasteful number, since it uses less digits than its factorization.

1311250034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277740.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1311250034 is about 36211.1865864680. The cubic root of 1311250034 is about 1094.5321031465.

Adding to 1311250034 its reverse (4300521131), we get a palindrome (5611771165).

The spelling of 1311250034 in words is "one billion, three hundred eleven million, two hundred fifty thousand, thirty-four".

Divisors: 1 2 2381 4762 275357 550714 655625017 1311250034