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22124213020 = 22571312156161
BaseRepresentation
bin10100100110101101…
…001011001100011100
32010002212121110201001
4110212231023030130
5330302244304040
614055210400044
71412154464530
oct244655131434
963085543631
1022124213020
1194235a5778
124355430024
1321177c2710
1410dc475bc0
158974b759a
hex526b4b31c

22124213020 has 48 divisors (see below), whose sum is σ = 57182586048. Its totient is φ = 7001948160.

The previous prime is 22124213009. The next prime is 22124213053. The reversal of 22124213020 is 2031242122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6076261 + ... + 6079900.

It is an arithmetic number, because the mean of its divisors is an integer number (1191303876).

Almost surely, 222124213020 is an apocalyptic number.

22124213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124213020 is an abundant number, since it is smaller than the sum of its proper divisors (35058373028).

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

22124213020 is a wasteful number, since it uses less digits than its factorization.

22124213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156190 (or 12156188 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22124213020 its reverse (2031242122), we get a palindrome (24155455142).

The spelling of 22124213020 in words is "twenty-two billion, one hundred twenty-four million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 12156161 24312322 48624644 60780805 85093127 121561610 158030093 170186254 243123220 316060186 340372508 425465635 632120372 790150465 850931270 1106210651 1580300930 1701862540 2212421302 3160601860 4424842604 5531053255 11062106510 22124213020