Search a number
-
+
13978150475 = 52661845879
BaseRepresentation
bin11010000010010100…
…11010011001001011
31100002011100121122212
431001022122121023
5212111401303400
610231012135335
71003251214202
oct150112323113
940064317585
1013978150475
115a23335383
12286130754b
131419c2b973
1496862a239
1556c269335
hex34129a64b

13978150475 has 12 divisors (see below), whose sum is σ = 17359149360. Its totient is φ = 11165589600.

The previous prime is 13978150471. The next prime is 13978150513. The reversal of 13978150475 is 57405187931.

It is a happy number.

It is not a de Polignac number, because 13978150475 - 22 = 13978150471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13978150471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406415 + ... + 439464.

It is an arithmetic number, because the mean of its divisors is an integer number (1446595780).

Almost surely, 213978150475 is an apocalyptic number.

13978150475 is a deficient number, since it is larger than the sum of its proper divisors (3380998885).

13978150475 is an equidigital number, since it uses as much as digits as its factorization.

13978150475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846550 (or 846545 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 13978150475 in words is "thirteen billion, nine hundred seventy-eight million, one hundred fifty thousand, four hundred seventy-five".

Divisors: 1 5 25 661 3305 16525 845879 4229395 21146975 559126019 2795630095 13978150475