Search a number
-
+
13542423386 = 26771211693
BaseRepresentation
bin11001001110011000…
…01111101101011010
31021221210110101110112
430213030033231122
5210213330022021
610115445044322
7656410461632
oct144714175532
937853411415
1013542423386
11581a388148
12275b3b66a2
13137a88b69b
149268056c2
15543d99d5b
hex32730fb5a

13542423386 has 4 divisors (see below), whose sum is σ = 20313635082. Its totient is φ = 6771211692.

The previous prime is 13542423383. The next prime is 13542423407. The reversal of 13542423386 is 68332424531.

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 only one way, i.e., 7455459025 + 6086964361 = 86345^2 + 78019^2 .

It is not an unprimeable number, because it can be changed into a prime (13542423383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385605845 + ... + 3385605848.

Almost surely, 213542423386 is an apocalyptic number.

13542423386 is a deficient number, since it is larger than the sum of its proper divisors (6771211696).

13542423386 is an equidigital number, since it uses as much as digits as its factorization.

13542423386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771211695.

The product of its digits is 414720, while the sum is 41.

The spelling of 13542423386 in words is "thirteen billion, five hundred forty-two million, four hundred twenty-three thousand, three hundred eighty-six".

Divisors: 1 2 6771211693 13542423386