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2172055036 = 22829765447
BaseRepresentation
bin1000000101110110…
…1110110111111100
312121101002211100211
42001131232313330
513422021230121
6555310402204
7104553106654
oct20135566774
95541084324
102172055036
11a15083108
12507500364
13287cc8b88
14168685364
15caa4bce1
hex8176edfc

2172055036 has 12 divisors (see below), whose sum is σ = 3801612528. Its totient is φ = 1085880032.

The previous prime is 2172055013. The next prime is 2172055051. The reversal of 2172055036 is 6305502712.

It is a super-2 number, since 2×21720550362 = 9435646158825922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2172054989 and 2172055007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 65911.

It is an arithmetic number, because the mean of its divisors is an integer number (316801044).

Almost surely, 22172055036 is an apocalyptic number.

It is an amenable number.

2172055036 is a deficient number, since it is larger than the sum of its proper divisors (1629557492).

2172055036 is a wasteful number, since it uses less digits than its factorization.

2172055036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73748 (or 73746 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2172055036 is about 46605.3112423895. The cubic root of 2172055036 is about 1295.0611492520.

Adding to 2172055036 its reverse (6305502712), we get a palindrome (8477557748).

The spelling of 2172055036 in words is "two billion, one hundred seventy-two million, fifty-five thousand, thirty-six".

Divisors: 1 2 4 8297 16594 33188 65447 130894 261788 543013759 1086027518 2172055036