Search a number
-
+
9119688940 = 225782958243
BaseRepresentation
bin10000111111001001…
…10110100011101100
3212112120022012101001
420133210312203230
5122134120021230
64104534330044
7441665035255
oct103744664354
925476265331
109119688940
11395a91030a
1219261b9924
13b244c875b
1462728db2c
153859700ca
hex21f9368ec

9119688940 has 24 divisors (see below), whose sum is σ = 19154121840. Its totient is φ = 3647347008.

The previous prime is 9119688937. The next prime is 9119688961. The reversal of 9119688940 is 498869119.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127459 + ... + 185701.

It is an arithmetic number, because the mean of its divisors is an integer number (798088410).

Almost surely, 29119688940 is an apocalyptic number.

It is an amenable number.

9119688940 is an abundant number, since it is smaller than the sum of its proper divisors (10034432900).

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

9119688940 is a wasteful number, since it uses less digits than its factorization.

9119688940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66081 (or 66079 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 9119688940 is about 95497.0624679105. The cubic root of 9119688940 is about 2089.2640999433.

The spelling of 9119688940 in words is "nine billion, one hundred nineteen million, six hundred eighty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 7829 15658 31316 39145 58243 78290 116486 156580 232972 291215 582430 1164860 455984447 911968894 1823937788 2279922235 4559844470 9119688940