Search a number
-
+
3138794265568 = 251355271365149
BaseRepresentation
bin101101101011001110101…
…101111001101111100000
3102010001202222011111111111
4231223032231321233200
5402411222312444233
610401535302153104
7442525151022463
oct55531655715740
912101688144444
103138794265568
111000178597785
1242839ba22794
13199caa670570
14abcc03412da
15569a9695acd
hex2daceb79be0

3138794265568 has 48 divisors (see below), whose sum is σ = 6656056394400. Its totient is φ = 1448411106816.

The previous prime is 3138794265559. The next prime is 3138794265569. The reversal of 3138794265568 is 8655624978313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138794265569) 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, 1616658 + ... + 2981806.

It is an arithmetic number, because the mean of its divisors is an integer number (138667841550).

Almost surely, 23138794265568 is an apocalyptic number.

It is an amenable number.

3138794265568 is an abundant number, since it is smaller than the sum of its proper divisors (3517262128832).

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

3138794265568 is a wasteful number, since it uses less digits than its factorization.

3138794265568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370699 (or 1370691 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 67.

The spelling of 3138794265568 in words is "three trillion, one hundred thirty-eight billion, seven hundred ninety-four million, two hundred sixty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 5527 11054 22108 44216 71851 88432 143702 176864 287404 574808 1149616 1365149 2299232 2730298 5460596 10921192 17746937 21842384 35493874 43684768 70987748 141975496 283950992 567901984 7545178523 15090357046 30180714092 60361428184 98087320799 120722856368 196174641598 241445712736 392349283196 784698566392 1569397132784 3138794265568