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228683708577161 = 1009872264486603
BaseRepresentation
bin110011111111110010010011…
…001101110011010110001001
31002222200221121211210100001022
4303333302103031303112021
5214433223213343432121
62130211502335202225
766111565324354625
oct6377622315632611
91088627554710038
10228683708577161
11669582417a10a2
1221794527376375
139a7aa20363a16
1440684c9cb4185
151b688c4a84aab
hexcffc93373589

228683708577161 has 4 divisors (see below), whose sum is σ = 228685973164752. Its totient is φ = 228681443989572.

The previous prime is 228683708577133. The next prime is 228683708577187. The reversal of 228683708577161 is 161775807386822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228683708577161 - 26 = 228683708577097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228683708577101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132142315 + ... + 1132344288.

It is an arithmetic number, because the mean of its divisors is an integer number (57171493291188).

Almost surely, 2228683708577161 is an apocalyptic number.

It is an amenable number.

228683708577161 is a deficient number, since it is larger than the sum of its proper divisors (2264587591).

228683708577161 is a wasteful number, since it uses less digits than its factorization.

228683708577161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264587590.

The product of its (nonzero) digits is 379330560, while the sum is 71.

The spelling of 228683708577161 in words is "two hundred twenty-eight trillion, six hundred eighty-three billion, seven hundred eight million, five hundred seventy-seven thousand, one hundred sixty-one".

Divisors: 1 100987 2264486603 228683708577161