Search a number
-
+
19292919101 = 1011255315217
BaseRepresentation
bin10001111101111100…
…101001010100111101
31211210120000211121022
4101331330221110331
5304002441402401
612510230113525
71252045051361
oct217574512475
954716024538
1019292919101
118200393745
1238a51ab8a5
131a86059581
14d104272a1
1577db4a71b
hex47df2953d

19292919101 has 8 divisors (see below), whose sum is σ = 19486770744. Its totient is φ = 19099123200.

The previous prime is 19292919089. The next prime is 19292919103. The reversal of 19292919101 is 10191929291.

It can be written as a sum of positive squares in 4 ways, for example, as 17357799001 + 1935120100 = 131749^2 + 43990^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19292919101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19292919103) 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, 1260245 + ... + 1275461.

It is an arithmetic number, because the mean of its divisors is an integer number (2435846343).

Almost surely, 219292919101 is an apocalyptic number.

It is an amenable number.

19292919101 is a deficient number, since it is larger than the sum of its proper divisors (193851643).

19292919101 is a wasteful number, since it uses less digits than its factorization.

19292919101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 19292919101 in words is "nineteen billion, two hundred ninety-two million, nine hundred nineteen thousand, one hundred one".

Divisors: 1 101 12553 15217 1267853 1536917 191019001 19292919101