Search a number
-
+
13404021402 = 233952156527
BaseRepresentation
bin11000111101111000…
…10010001010011010
31021121011000211122010
430132330102022122
5204422412141102
610054022410350
7653110205412
oct143674221232
937534024563
1013404021402
115759247742
122720b909b6
131357cc0815
14912299642
15536b5bd6c
hex31ef1229a

13404021402 has 16 divisors (see below), whose sum is σ = 26809195392. Its totient is φ = 4467815040.

The previous prime is 13404021353. The next prime is 13404021439. The reversal of 13404021402 is 20412040431.

13404021402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208863 + ... + 265389.

It is an arithmetic number, because the mean of its divisors is an integer number (1675574712).

Almost surely, 213404021402 is an apocalyptic number.

13404021402 is an abundant number, since it is smaller than the sum of its proper divisors (13405173990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13404021402 is a wasteful number, since it uses less digits than its factorization.

13404021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96053.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13404021402 its reverse (20412040431), we get a palindrome (33816061833).

The spelling of 13404021402 in words is "thirteen billion, four hundred four million, twenty-one thousand, four hundred two".

Divisors: 1 2 3 6 39521 56527 79042 113054 118563 169581 237126 339162 2234003567 4468007134 6702010701 13404021402