Search a number
-
+
16442134252631 = 473261110727443
BaseRepresentation
bin1110111101000011101110…
…0100100100110001010111
32011012212000121100222102122
43233100323210210301113
54123341442332041011
654545225011330155
73314622262114253
oct357207344446127
964185017328378
1016442134252631
11526a08515a45a
121a167195b095b
139236430ca589
1440bb36cd3263
151d7a6e83c3db
hexef43b924c57

16442134252631 has 8 divisors (see below), whose sum is σ = 16792483378944. Its totient is φ = 16091806646520.

The previous prime is 16442134252603. The next prime is 16442134252703. The reversal of 16442134252631 is 13625243124461.

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 16442134252631 - 210 = 16442134251607 is a prime.

It is a super-3 number, since 3×164421342526313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442134212631) 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, 3831005 + ... + 6896438.

It is an arithmetic number, because the mean of its divisors is an integer number (2099060422368).

Almost surely, 216442134252631 is an apocalyptic number.

16442134252631 is a deficient number, since it is larger than the sum of its proper divisors (350349126313).

16442134252631 is a wasteful number, since it uses less digits than its factorization.

16442134252631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760101.

The product of its digits is 829440, while the sum is 44.

The spelling of 16442134252631 in words is "sixteen trillion, four hundred forty-two billion, one hundred thirty-four million, two hundred fifty-two thousand, six hundred thirty-one".

Divisors: 1 47 32611 1532717 10727443 504189821 349832643673 16442134252631