Search a number
-
+
192521130380 = 22516757641057
BaseRepresentation
bin1011001101001100100…
…1110101000110001100
3200101221010110202002022
42303103021311012030
511123240402133010
6224235403545312
716623565415255
oct2632311650614
9611833422068
10192521130380
1174714182817
123138ab2b238
1315201a4bc37
149464b0db2c
15501bab7d55
hex2cd327518c

192521130380 has 24 divisors (see below), whose sum is σ = 406715305248. Its totient is φ = 76547322368.

The previous prime is 192521130331. The next prime is 192521130397. The reversal of 192521130380 is 83031125291.

It is a self number, because there is not a number n which added to its sum of digits gives 192521130380.

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, 28817189 + ... + 28823868.

It is an arithmetic number, because the mean of its divisors is an integer number (16946471052).

Almost surely, 2192521130380 is an apocalyptic number.

192521130380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192521130380 is an abundant number, since it is smaller than the sum of its proper divisors (214194174868).

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

192521130380 is a wasteful number, since it uses less digits than its factorization.

192521130380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57641233 (or 57641231 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

It can be divided in two parts, 1925211 and 30380, that added together give a palindrome (1955591).

The spelling of 192521130380 in words is "one hundred ninety-two billion, five hundred twenty-one million, one hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 57641057 115282114 230564228 288205285 576410570 1152821140 9626056519 19252113038 38504226076 48130282595 96260565190 192521130380