Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
19009239876 = 223211220892
BaseRepresentation
bin10001101101000010…
…011111101101000100
31211001210020102212100
4101231002133231010
5302412331134001
612422133552100
71242031605264
oct215502375504
954053212770
1019009239876
118075247300
1238261a5630
131a3c354343
14cc48a17a4
15763cb2586
hex46d09fb44

19009239876 has 81 divisors (see below), whose sum is σ = 52841831133. Its totient is φ = 5757618240.

The previous prime is 19009239869. The next prime is 19009239901. The reversal of 19009239876 is 67893290091.

The square root of 19009239876 is 137874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16751089476 + 2258150400 = 129426^2 + 47520^2 .

It is a super-2 number, since 2×190092398762 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 9098640 + ... + 9100728.

Almost surely, 219009239876 is an apocalyptic number.

19009239876 is the 137874-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19009239876

19009239876 is an abundant number, since it is smaller than the sum of its proper divisors (33832591257).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19009239876 is a wasteful number, since it uses less digits than its factorization.

19009239876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 19009239876 in words is "nineteen billion, nine million, two hundred thirty-nine thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 121 132 198 242 363 396 484 726 1089 1452 2089 2178 4178 4356 6267 8356 12534 18801 22979 25068 37602 45958 68937 75204 91916 137874 206811 252769 275748 413622 505538 758307 827244 1011076 1516614 2274921 3033228 4363921 4549842 8727842 9099684 13091763 17455684 26183526 39275289 48003131 52367052 78550578 96006262 144009393 157101156 192012524 288018786 432028179 528034441 576037572 864056358 1056068882 1584103323 1728112716 2112137764 3168206646 4752309969 6336413292 9504619938 19009239876