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13884951541 = 99114011051
BaseRepresentation
bin11001110111001101…
…11000101111110101
31022211122222121202111
430323212320233311
5211414021422131
610213442411021
71001040066166
oct147346705765
938748877674
1013884951541
11598576966a
122836060a71
131403829976
1495a0c976d
15563ea9ab1
hex33b9b8bf5

13884951541 has 4 divisors (see below), whose sum is σ = 13898963584. Its totient is φ = 13870939500.

The previous prime is 13884951527. The next prime is 13884951589. The reversal of 13884951541 is 14515948831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13884951541 - 213 = 13884943349 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 (13884952541) 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, 7004535 + ... + 7006516.

It is an arithmetic number, because the mean of its divisors is an integer number (3474740896).

Almost surely, 213884951541 is an apocalyptic number.

It is an amenable number.

13884951541 is a deficient number, since it is larger than the sum of its proper divisors (14012043).

13884951541 is an equidigital number, since it uses as much as digits as its factorization.

13884951541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012042.

The product of its digits is 691200, while the sum is 49.

The spelling of 13884951541 in words is "thirteen billion, eight hundred eighty-four million, nine hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 991 14011051 13884951541