Search a number
-
+
19047619043 = 1711171003087
BaseRepresentation
bin10001101111010100…
…111001100111100011
31211011110110022011222
4101233110321213203
5303002142302133
612430024325255
71243006043015
oct215724714743
954143408158
1019047619043
118094980122
12383701382b
131a472a11cb
14cc9a121b5
15767343e98
hex46f5399e3

19047619043 has 8 divisors (see below), whose sum is σ = 20186142912. Its totient is φ = 17911103616.

The previous prime is 19047619039. The next prime is 19047619051. The reversal of 19047619043 is 34091674091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19047619043 - 22 = 19047619039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19047618985 and 19047619003.

It is not an unprimeable number, because it can be changed into a prime (19047619343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482555 + ... + 520532.

It is an arithmetic number, because the mean of its divisors is an integer number (2523267864).

Almost surely, 219047619043 is an apocalyptic number.

19047619043 is a deficient number, since it is larger than the sum of its proper divisors (1138523869).

19047619043 is a wasteful number, since it uses less digits than its factorization.

19047619043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004221.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 19047619043 in words is "nineteen billion, forty-seven million, six hundred nineteen thousand, forty-three".

Divisors: 1 17 1117 18989 1003087 17052479 1120448179 19047619043