Search a number
-
+
1312887060380 = 22579377764717
BaseRepresentation
bin10011000110101110001…
…010101011011110011100
311122111210100121221122202
4103012232022223132130
5133002243041413010
62443044302031032
7163565364612110
oct23065612533634
94574710557582
101312887060380
11466879578415
12192543278478
1396a5cc74a5c
1447788d15740
15242404b86a5
hex131ae2ab79c

1312887060380 has 24 divisors (see below), whose sum is σ = 3150928945248. Its totient is φ = 450132706368.

The previous prime is 1312887060349. The next prime is 1312887060427. The reversal of 1312887060380 is 830607882131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688882219 + ... + 4688882498.

It is an arithmetic number, because the mean of its divisors is an integer number (131288706052).

Almost surely, 21312887060380 is an apocalyptic number.

1312887060380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312887060380 is an abundant number, since it is smaller than the sum of its proper divisors (1838041884868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312887060380 is a wasteful number, since it uses less digits than its factorization.

1312887060380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377764733 (or 9377764731 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 1312887060380 in words is "one trillion, three hundred twelve billion, eight hundred eighty-seven million, sixty thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 9377764717 18755529434 37511058868 46888823585 65644353019 93777647170 131288706038 187555294340 262577412076 328221765095 656443530190 1312887060380