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22103131120 = 245739469877
BaseRepresentation
bin10100100101011100…
…110000001111110000
32010001101221101202221
4110211130300033300
5330231400143440
614053134450424
71411510341340
oct244534601760
963041841687
1022103131120
119412706614
12434a363a14
132113320a15
1410d9748d20
15895700d4a
hex5257303f0

22103131120 has 40 divisors (see below), whose sum is σ = 58731178464. Its totient is φ = 7578216192.

The previous prime is 22103131103. The next prime is 22103131147. The reversal of 22103131120 is 2113130122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22103131094 and 22103131103.

It is a congruent number.

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, 19734379 + ... + 19735498.

Almost surely, 222103131120 is an apocalyptic number.

22103131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103131120 is an abundant number, since it is smaller than the sum of its proper divisors (36628047344).

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

22103131120 is a wasteful number, since it uses less digits than its factorization.

22103131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39469897 (or 39469891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22103131120 its reverse (2113130122), we get a palindrome (24216261242).

The spelling of 22103131120 in words is "twenty-two billion, one hundred three million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 39469877 78939754 157879508 197349385 276289139 315759016 394698770 552578278 631518032 789397540 1105156556 1381445695 1578795080 2210313112 2762891390 3157590160 4420626224 5525782780 11051565560 22103131120