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4312918253989 = 53519715658229
BaseRepresentation
bin111110110000101101111…
…101011110000110100101
3120021022101200121000200201
4332300231331132012211
51031130324033111424
613101154410110501
7623412064165522
oct76605575360645
916238350530621
104312918253989
111413109a0a334
12597a5771b431
132539250a6cc7
1410ca6400c149
15772c781ed44
hex3ec2df5e1a5

4312918253989 has 8 divisors (see below), whose sum is σ = 4395139895160. Its totient is φ = 4230727939776.

The previous prime is 4312918253977. The next prime is 4312918254053. The reversal of 4312918253989 is 9893528192134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1794930062500 + 2517988191489 = 1339750^2 + 1586817^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4312918253989 - 25 = 4312918253957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4312918253989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312918253489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7553674 + ... + 8104555.

It is an arithmetic number, because the mean of its divisors is an integer number (549392486895).

Almost surely, 24312918253989 is an apocalyptic number.

It is an amenable number.

4312918253989 is a deficient number, since it is larger than the sum of its proper divisors (82221641171).

4312918253989 is a wasteful number, since it uses less digits than its factorization.

4312918253989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663479.

The product of its digits is 33592320, while the sum is 64.

The spelling of 4312918253989 in words is "four trillion, three hundred twelve billion, nine hundred eighteen million, two hundred fifty-three thousand, nine hundred eighty-nine".

Divisors: 1 53 5197 275441 15658229 829886137 81375816113 4312918253989