Search a number
-
+
22102021060 = 2257157871579
BaseRepresentation
bin10100100101011000…
…100001001111000100
32010001022212000001121
4110211120201033010
5330231104133220
614053055003324
71411465036120
oct244530411704
963038760047
1022102021060
119412018609
124349b09544
132113022692
1410d953a580
15895581eaa
hex5256213c4

22102021060 has 24 divisors (see below), whose sum is σ = 53044850880. Its totient is φ = 7577835744.

The previous prime is 22102021057. The next prime is 22102021061. The reversal of 22102021060 is 6012020122.

It is not an unprimeable number, because it can be changed into a prime (22102021061) 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, 78935650 + ... + 78935929.

It is an arithmetic number, because the mean of its divisors is an integer number (2210202120).

Almost surely, 222102021060 is an apocalyptic number.

22102021060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102021060 is an abundant number, since it is smaller than the sum of its proper divisors (30942829820).

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

22102021060 is a wasteful number, since it uses less digits than its factorization.

22102021060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157871595 (or 157871593 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22102021060 its reverse (6012020122), we get a palindrome (28114041182).

The spelling of 22102021060 in words is "twenty-two billion, one hundred two million, twenty-one thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157871579 315743158 631486316 789357895 1105101053 1578715790 2210202106 3157431580 4420404212 5525505265 11051010530 22102021060