Search a number
-
+
13953893474 = 219367207723
BaseRepresentation
bin11001111111011011…
…11000010001100010
31100000110201020022102
430333231320101202
5212034144042344
610224344210402
71002535065113
oct147755702142
940013636272
1013953893474
115a10677774
122855169a02
131414bb7a01
1496531420a
1556a076e4e
hex33fb78462

13953893474 has 8 divisors (see below), whose sum is σ = 22032463440. Its totient is φ = 6609738996.

The previous prime is 13953893441. The next prime is 13953893521. The reversal of 13953893474 is 47439835931.

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

It is a super-2 number, since 2×139538934742 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183603824 + ... + 183603899.

It is an arithmetic number, because the mean of its divisors is an integer number (2754057930).

Almost surely, 213953893474 is an apocalyptic number.

13953893474 is a deficient number, since it is larger than the sum of its proper divisors (8078569966).

13953893474 is a wasteful number, since it uses less digits than its factorization.

13953893474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367207744.

The product of its digits is 9797760, while the sum is 56.

The spelling of 13953893474 in words is "thirteen billion, nine hundred fifty-three million, eight hundred ninety-three thousand, four hundred seventy-four".

Divisors: 1 2 19 38 367207723 734415446 6976946737 13953893474