Search a number
-
+
13811885207 = 241388114767
BaseRepresentation
bin11001101110100000…
…01010010010010111
31022122120111110120222
430313100022102113
5211241320311312
610202312344555
7666162041621
oct146720122227
938576443528
1013811885207
1159484a386a
1228156a515b
1313c1656553
14950509c11
1555c875672
hex33740a497

13811885207 has 8 divisors (see below), whose sum is σ = 13873708992. Its totient is φ = 13750099200.

The previous prime is 13811885203. The next prime is 13811885221. The reversal of 13811885207 is 70258811831.

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

It is a cyclic number.

It is not a de Polignac number, because 13811885207 - 22 = 13811885203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13811885203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927938 + ... + 942704.

It is an arithmetic number, because the mean of its divisors is an integer number (1734213624).

Almost surely, 213811885207 is an apocalyptic number.

13811885207 is a deficient number, since it is larger than the sum of its proper divisors (61823785).

13811885207 is a wasteful number, since it uses less digits than its factorization.

13811885207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 13811885207 in words is "thirteen billion, eight hundred eleven million, eight hundred eighty-five thousand, two hundred seven".

Divisors: 1 241 3881 14767 935321 3558847 57310727 13811885207