Search a number
-
+
22311255434 = 2131907449987
BaseRepresentation
bin10100110001110110…
…101011110110001010
32010120220120012122212
4110301312223312022
5331143140133214
614125531345122
71416615353636
oct246166536612
963526505585
1022311255434
11950a138486
1243a7bb21a2
132147490bc0
141119243dc6
158a8b1253e
hex531dabd8a

22311255434 has 16 divisors (see below), whose sum is σ = 36060238368. Its totient is φ = 10292079792.

The previous prime is 22311255403. The next prime is 22311255467. The reversal of 22311255434 is 43455211322.

It is a super-3 number, since 3×223112554343 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22311255434.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 175412 + ... + 274575.

It is an arithmetic number, because the mean of its divisors is an integer number (2253764898).

Almost surely, 222311255434 is an apocalyptic number.

22311255434 is a deficient number, since it is larger than the sum of its proper divisors (13748982934).

22311255434 is a wasteful number, since it uses less digits than its factorization.

22311255434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451909.

The product of its digits is 28800, while the sum is 32.

Adding to 22311255434 its reverse (43455211322), we get a palindrome (65766466756).

The spelling of 22311255434 in words is "twenty-two billion, three hundred eleven million, two hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 13 26 1907 3814 24791 49582 449987 899974 5849831 11699662 858125209 1716250418 11155627717 22311255434