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227745551242 = 21189116315399
BaseRepresentation
bin1101010000011010110…
…0010101001110001010
3210202211222102201120101
43110012230111032022
512212410330114432
6252342545320014
722311514146646
oct3240654251612
9722758381511
10227745551242
118864a476540
123817b63600a
13186265ca611
14b046d57c26
155dce1c84e7
hex3506b1538a

227745551242 has 16 divisors (see below), whose sum is σ = 376861896000. Its totient is φ = 102357550240.

The previous prime is 227745551237. The next prime is 227745551249. The reversal of 227745551242 is 242155547722.

It is a super-2 number, since 2×2277455512422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227745551192 and 227745551201.

It is not an unprimeable number, because it can be changed into a prime (227745551249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58155742 + ... + 58159657.

It is an arithmetic number, because the mean of its divisors is an integer number (23553868500).

Almost surely, 2227745551242 is an apocalyptic number.

227745551242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

227745551242 is a deficient number, since it is larger than the sum of its proper divisors (149116344758).

227745551242 is a wasteful number, since it uses less digits than its factorization.

227745551242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116315501.

The product of its digits is 1568000, while the sum is 46.

The spelling of 227745551242 in words is "two hundred twenty-seven billion, seven hundred forty-five million, five hundred fifty-one thousand, two hundred forty-two".

Divisors: 1 2 11 22 89 178 979 1958 116315399 232630798 1279469389 2558938778 10352070511 20704141022 113872775621 227745551242