Search a number
-
+
3923655020125 = 53281111705481
BaseRepresentation
bin111001000110001100000…
…100000100111001011101
3111220002122021010212221221
4321012030010010321131
51003241121141121000
612202300252053341
7553321554246631
oct71061404047135
914802567125857
103923655020125
111283015a73285
12534520164251
13225ccac99129
14d7c97b96dc1
156c0e381a61a
hex3918c104e5d

3923655020125 has 16 divisors (see below), whose sum is σ = 4914147564144. Its totient is φ = 3127753440000.

The previous prime is 3923655020099. The next prime is 3923655020141. The reversal of 3923655020125 is 5210205563293.

It can be written as a sum of positive squares in 8 ways, for example, as 1507564053241 + 2416090966884 = 1227829^2 + 1554378^2 .

It is not a de Polignac number, because 3923655020125 - 27 = 3923655019997 is a prime.

It is a super-2 number, since 2×39236550201252 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55817616 + ... + 55887865.

It is an arithmetic number, because the mean of its divisors is an integer number (307134222759).

Almost surely, 23923655020125 is an apocalyptic number.

It is an amenable number.

3923655020125 is a deficient number, since it is larger than the sum of its proper divisors (990492544019).

3923655020125 is a wasteful number, since it uses less digits than its factorization.

3923655020125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111705777 (or 111705767 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 3923655020125 in words is "three trillion, nine hundred twenty-three billion, six hundred fifty-five million, twenty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 281 1405 7025 35125 111705481 558527405 2792637025 13963185125 31389240161 156946200805 784731004025 3923655020125