Search a number
-
+
13961245018 = 2729211162973
BaseRepresentation
bin11010000000010011…
…11011000101011010
31100000222112201201211
431000021323011122
5212043034320033
610225205533334
71002654424150
oct150011730532
940028481654
1013961245018
115a14839026
12285771424a
13141658cc36
149662a93d0
1556aa2a2cd
hex34027b15a

13961245018 has 32 divisors (see below), whose sum is σ = 24876351360. Its totient is φ = 5749652160.

The previous prime is 13961245013. The next prime is 13961245021. The reversal of 13961245018 is 81054216931.

It is not an unprimeable number, because it can be changed into a prime (13961245013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4180 + ... + 167152.

It is an arithmetic number, because the mean of its divisors is an integer number (777385980).

Almost surely, 213961245018 is an apocalyptic number.

13961245018 is a deficient number, since it is larger than the sum of its proper divisors (10915106342).

13961245018 is a wasteful number, since it uses less digits than its factorization.

13961245018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163222.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 13961245018 in words is "thirteen billion, nine hundred sixty-one million, two hundred forty-five thousand, eighteen".

Divisors: 1 2 7 14 29 58 203 211 406 422 1477 2954 6119 12238 42833 85666 162973 325946 1140811 2281622 4726217 9452434 33083519 34387303 66167038 68774606 240711121 481422242 997231787 1994463574 6980622509 13961245018