Search a number
-
+
919900893223 = 13457154839403
BaseRepresentation
bin11010110001011100101…
…11011011000000100111
310020221102110211012112201
431120232113123000213
5110032424112040343
61542332512355331
7123314000402254
oct15305627330047
93227373735481
10919900893223
11325145088494
1212a348b45b47
1368991773980
143274847042b
1518dde71c94d
hexd62e5db027

919900893223 has 8 divisors (see below), whose sum is σ = 992830258448. Its totient is φ = 847281207744.

The previous prime is 919900893209. The next prime is 919900893323. The reversal of 919900893223 is 322398009919.

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-919900893223 is a prime.

It is a super-3 number, since 3×9199008932233 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919900893323) 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, 77413761 + ... + 77425642.

It is an arithmetic number, because the mean of its divisors is an integer number (124103782306).

Almost surely, 2919900893223 is an apocalyptic number.

919900893223 is a deficient number, since it is larger than the sum of its proper divisors (72929365225).

919900893223 is a wasteful number, since it uses less digits than its factorization.

919900893223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154839873.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 919900893223 in words is "nine hundred nineteen billion, nine hundred million, eight hundred ninety-three thousand, two hundred twenty-three".

Divisors: 1 13 457 5941 154839403 2012912239 70761607171 919900893223