Search a number
-
+
13955421912 = 2331310944357
BaseRepresentation
bin11001111111100111…
…01101011011011000
31100000120120212221020
430333303231123120
5212040042000122
610224441042440
71002554062155
oct147763553330
940016525836
1013955421912
115a11521043
122855786420
131415301603
149655d122c
1556a279c5c
hex33fced6d8

13955421912 has 32 divisors (see below), whose sum is σ = 34892002800. Its totient is φ = 4651347584.

The previous prime is 13955421901. The next prime is 13955421923. The reversal of 13955421912 is 21912455931.

It is an interprime number because it is at equal distance from previous prime (13955421901) and next prime (13955421923).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292438 + ... + 336794.

Almost surely, 213955421912 is an apocalyptic number.

13955421912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13955421912 is an abundant number, since it is smaller than the sum of its proper divisors (20936580888).

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

13955421912 is a wasteful number, since it uses less digits than its factorization.

13955421912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57475 (or 57471 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The spelling of 13955421912 in words is "thirteen billion, nine hundred fifty-five million, four hundred twenty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 13109 26218 39327 44357 52436 78654 88714 104872 133071 157308 177428 266142 314616 354856 532284 1064568 581475913 1162951826 1744427739 2325903652 3488855478 4651807304 6977710956 13955421912