Search a number
-
+
19282077321 = 3131200741177
BaseRepresentation
bin10001111101010011…
…010010011010001001
31211202210122000110220
4101331103102122021
5303442202433241
612505201500253
71251553644603
oct217523223211
954683560426
1019282077321
1181a52590a1
1238a1641689
131a83a31810
14d0cc04173
1577cc08166
hex47d4d2689

19282077321 has 16 divisors (see below), whose sum is σ = 27690063744. Its totient is φ = 11864617344.

The previous prime is 19282077313. The next prime is 19282077341. The reversal of 19282077321 is 12377028291.

It is not a de Polignac number, because 19282077321 - 23 = 19282077313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19282077341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 447685 + ... + 488861.

It is an arithmetic number, because the mean of its divisors is an integer number (1730628984).

Almost surely, 219282077321 is an apocalyptic number.

It is an amenable number.

19282077321 is a deficient number, since it is larger than the sum of its proper divisors (8407986423).

19282077321 is a wasteful number, since it uses less digits than its factorization.

19282077321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53200.

The product of its (nonzero) digits is 84672, while the sum is 42.

It can be divided in two parts, 1928207 and 7321, that added together give a triangular number (1935528 = T1967).

The spelling of 19282077321 in words is "nineteen billion, two hundred eighty-two million, seventy-seven thousand, three hundred twenty-one".

Divisors: 1 3 13 39 12007 36021 41177 123531 156091 468273 535301 1605903 494412239 1483236717 6427359107 19282077321