Search a number
-
+
22289921480 = 235557248037
BaseRepresentation
bin10100110000100101…
…010011010111001000
32010112102102022222102
4110300211103113020
5331122204441410
614123450212532
71416236130551
oct246045232710
963472368872
1022289921480
1194a9096a12
1243a0a24148
132142c31568
14111648d328
158a6ceb2a5
hex5309535c8

22289921480 has 16 divisors (see below), whose sum is σ = 50152323420. Its totient is φ = 8915968576.

The previous prime is 22289921471. The next prime is 22289921513. The reversal of 22289921480 is 8412998222.

It can be written as a sum of positive squares in 2 ways, for example, as 21073167556 + 1216753924 = 145166^2 + 34882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278623979 + ... + 278624058.

Almost surely, 222289921480 is an apocalyptic number.

22289921480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22289921480 is an abundant number, since it is smaller than the sum of its proper divisors (27862401940).

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

22289921480 is a wasteful number, since it uses less digits than its factorization.

22289921480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557248048 (or 557248044 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 22289921480 in words is "twenty-two billion, two hundred eighty-nine million, nine hundred twenty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 557248037 1114496074 2228992148 2786240185 4457984296 5572480370 11144960740 22289921480