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228650683973 = 1092937159429
BaseRepresentation
bin1101010011110010100…
…1001000111001000101
3210212012001121020020212
43110330221020321011
512221234033341343
6253012441405205
722343114513615
oct3247451107105
9725161536225
10228650683973
1188a74394118
1238392799805
131873bca030a
14b0d124ca45
155e338bac18
hex353ca48e45

228650683973 has 8 divisors (see below), whose sum is σ = 231535966200. Its totient is φ = 225779721408.

The previous prime is 228650683969. The next prime is 228650684011. The reversal of 228650683973 is 379386056822.

It can be written as a sum of positive squares in 4 ways, for example, as 119593547329 + 109057136644 = 345823^2 + 330238^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228650683973 - 22 = 228650683969 is a prime.

It is a super-2 number, since 2×2286506839732 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228650683913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547778 + ... + 3611651.

It is an arithmetic number, because the mean of its divisors is an integer number (28941995775).

Almost surely, 2228650683973 is an apocalyptic number.

It is an amenable number.

228650683973 is a deficient number, since it is larger than the sum of its proper divisors (2885282227).

228650683973 is a wasteful number, since it uses less digits than its factorization.

228650683973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159831.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 228650683973 in words is "two hundred twenty-eight billion, six hundred fifty million, six hundred eighty-three thousand, nine hundred seventy-three".

Divisors: 1 109 293 31937 7159429 780377761 2097712697 228650683973