Search a number
-
+
11901416741 = 76115639181
BaseRepresentation
bin10110001010110000…
…10011010100100101
31010201102121121112122
423011120103110211
5143333230313431
65244544355325
7600633241664
oct130530232445
933642547478
1011901416741
115058048605
122381915b45
1311788c8b36
1480c8b8ddb
15499c9aa7b
hex2c5613525

11901416741 has 4 divisors (see below), whose sum is σ = 11917056684. Its totient is φ = 11885776800.

The previous prime is 11901416699. The next prime is 11901416743. The reversal of 11901416741 is 14761410911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1914412516 + 9987004225 = 43754^2 + 99935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11901416741 is a prime.

It is a super-2 number, since 2×119014167412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901416743) 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, 7818830 + ... + 7820351.

It is an arithmetic number, because the mean of its divisors is an integer number (2979264171).

Almost surely, 211901416741 is an apocalyptic number.

It is an amenable number.

11901416741 is a deficient number, since it is larger than the sum of its proper divisors (15639943).

11901416741 is an equidigital number, since it uses as much as digits as its factorization.

11901416741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639942.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 11901416741 in words is "eleven billion, nine hundred one million, four hundred sixteen thousand, seven hundred forty-one".

Divisors: 1 761 15639181 11901416741