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22054230445 = 5132293312719
BaseRepresentation
bin10100100010100010…
…001101100110101101
32002220222220222122211
4110202202031212231
5330131340333240
614044230410421
71410344602642
oct244242154655
962828828584
1022054230445
119398046835
124335b00a11
13210615bb00
1410d3059dc9
15891291bea
hex52288d9ad

22054230445 has 48 divisors (see below), whose sum is σ = 29746137600. Its totient is φ = 15671335680.

The previous prime is 22054230427. The next prime is 22054230461. The reversal of 22054230445 is 54403245022.

It is not a de Polignac number, because 22054230445 - 221 = 22052133293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8109796 + ... + 8112514.

It is an arithmetic number, because the mean of its divisors is an integer number (619711200).

Almost surely, 222054230445 is an apocalyptic number.

It is an amenable number.

22054230445 is a deficient number, since it is larger than the sum of its proper divisors (7691907155).

22054230445 is a wasteful number, since it uses less digits than its factorization.

22054230445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 22054230445 its reverse (54403245022), we get a palindrome (76457475467).

The spelling of 22054230445 in words is "twenty-two billion, fifty-four million, two hundred thirty thousand, four hundred forty-five".

Divisors: 1 5 13 29 65 145 169 331 377 845 1655 1885 2719 4303 4901 9599 13595 21515 24505 35347 47995 55939 78851 124787 176735 279695 394255 459511 623935 899989 1025063 1622231 2297555 4499945 5125315 8111155 11699857 13325819 26099681 58499285 66629095 130498405 152098141 339295853 760490705 1696479265 4410846089 22054230445