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1923068068 = 222997277617
BaseRepresentation
bin111001010011111…
…1011000010100100
311222000120222110021
41302213323002210
512414301134233
6514454004524
765440544305
oct16247730244
94860528407
101923068068
118a7581559
12458046744
1324854c5cc
141435907ac
15b3c67e2d
hex729fb0a4

1923068068 has 48 divisors (see below), whose sum is σ = 3535726320. Its totient is φ = 914006016.

The previous prime is 1923068051. The next prime is 1923068129. The reversal of 1923068068 is 8608603291.

It can be written as a sum of positive squares in 8 ways, for example, as 440664064 + 1482404004 = 20992^2 + 38502^2 .

It is a super-2 number, since 2×19230680682 = 7396381588322505248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116496 + ... + 3117112.

It is an arithmetic number, because the mean of its divisors is an integer number (73660965).

Almost surely, 21923068068 is an apocalyptic number.

It is an amenable number.

1923068068 is a deficient number, since it is larger than the sum of its proper divisors (1612658252).

1923068068 is a wasteful number, since it uses less digits than its factorization.

1923068068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1923068068 is about 43852.8000018243. The cubic root of 1923068068 is about 1243.5546778855.

The spelling of 1923068068 in words is "one billion, nine hundred twenty-three million, sixty-eight thousand, sixty-eight".

Divisors: 1 2 4 29 58 97 116 194 277 388 554 617 1108 1234 2468 2813 5626 8033 11252 16066 17893 26869 32132 35786 53738 59849 71572 107476 119698 170909 239396 341818 683636 779201 1558402 1735621 3116804 3471242 4956361 6942484 9912722 16578173 19825444 33156346 66312692 480767017 961534034 1923068068