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22160655550 = 2521183485447
BaseRepresentation
bin10100101000111000…
…001100010010111110
32010012102011221110101
4110220320030102332
5330341111434200
614102551431314
71413106315135
oct245070142276
963172157411
1022160655550
119442126570
12436568553a
132122211c47
14110324091c
1589a7b526a
hex528e0c4be

22160655550 has 48 divisors (see below), whose sum is σ = 45507837312. Its totient is φ = 7961314400.

The previous prime is 22160655521. The next prime is 22160655553. The reversal of 22160655550 is 5555606122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160655553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197074 + ... + 288373.

It is an arithmetic number, because the mean of its divisors is an integer number (948079944).

Almost surely, 222160655550 is an apocalyptic number.

22160655550 is an abundant number, since it is smaller than the sum of its proper divisors (23347181762).

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

22160655550 is a wasteful number, since it uses less digits than its factorization.

22160655550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485553 (or 485548 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 22160655550 in words is "twenty-two billion, one hundred sixty million, six hundred fifty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 83 110 166 275 415 550 830 913 1826 2075 4150 4565 9130 22825 45650 485447 970894 2427235 4854470 5339917 10679834 12136175 24272350 26699585 40292101 53399170 80584202 133497925 201460505 266995850 402921010 443213111 886426222 1007302525 2014605050 2216065555 4432131110 11080327775 22160655550