Search a number
-
+
13871961160 = 235346799029
BaseRepresentation
bin11001110101101010…
…10101010001001000
31022210202112122022021
430322311111101020
5211402210224120
610212300134224
71000521503311
oct147265252110
938722478267
1013871961160
1159793a6812
122831837374
131400c2bc55
149584a7608
15562c90aaa
hex33ad55448

13871961160 has 16 divisors (see below), whose sum is σ = 31211912700. Its totient is φ = 5548784448.

The previous prime is 13871961157. The next prime is 13871961163. The reversal of 13871961160 is 6116917831.

It is an interprime number because it is at equal distance from previous prime (13871961157) and next prime (13871961163).

It can be written as a sum of positive squares in 2 ways, for example, as 12189484836 + 1682476324 = 110406^2 + 41018^2 .

It is not an unprimeable number, because it can be changed into a prime (13871961163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173399475 + ... + 173399554.

Almost surely, 213871961160 is an apocalyptic number.

13871961160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13871961160 is an abundant number, since it is smaller than the sum of its proper divisors (17339951540).

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

13871961160 is a wasteful number, since it uses less digits than its factorization.

13871961160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346799040 (or 346799036 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 13871961160 in words is "thirteen billion, eight hundred seventy-one million, nine hundred sixty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 346799029 693598058 1387196116 1733995145 2774392232 3467990290 6935980580 13871961160