Search a number
-
+
22154920130 = 2571272492117
BaseRepresentation
bin10100101000100010…
…010100000011000010
32010012000101112221102
4110220202110003002
5330333124421010
614102224454402
71413006466610
oct245042240302
963160345842
1022154920130
119439969452
12436377a402
132120c844c5
14110258a6b0
1589a030ba5
hex5288940c2

22154920130 has 32 divisors (see below), whose sum is σ = 45934718976. Its totient is φ = 7536158784.

The previous prime is 22154920121. The next prime is 22154920141. The reversal of 22154920130 is 3102945122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22154920093 and 22154920102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237169 + ... + 1254948.

It is an arithmetic number, because the mean of its divisors is an integer number (1435459968).

Almost surely, 222154920130 is an apocalyptic number.

22154920130 is an abundant number, since it is smaller than the sum of its proper divisors (23779798846).

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

22154920130 is a wasteful number, since it uses less digits than its factorization.

22154920130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492258.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 22154920130 in words is "twenty-two billion, one hundred fifty-four million, nine hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 8890 2492117 4984234 12460585 17444819 24921170 34889638 87224095 174448190 316498859 632997718 1582494295 2215492013 3164988590 4430984026 11077460065 22154920130