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228086228280 = 23351900718569
BaseRepresentation
bin1101010001101011111…
…1111010010100111000
3210210201201110220121110
43110122333322110320
512214110033301110
6252440435240320
722323121644321
oct3243277722470
9723651426543
10228086228280
1188804803209
12382557490a0
131867c06b171
14b07a2b9448
155dee06ea20
hex351affa538

228086228280 has 32 divisors (see below), whose sum is σ = 684258685200. Its totient is φ = 60822994176.

The previous prime is 228086228239. The next prime is 228086228291. The reversal of 228086228280 is 82822680822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950359165 + ... + 950359404.

Almost surely, 2228086228280 is an apocalyptic number.

228086228280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228086228280 is an abundant number, since it is smaller than the sum of its proper divisors (456172456920).

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

228086228280 is a wasteful number, since it uses less digits than its factorization.

228086228280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900718583 (or 1900718579 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 228086228280 in words is "two hundred twenty-eight billion, eighty-six million, two hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1900718569 3801437138 5702155707 7602874276 9503592845 11404311414 15205748552 19007185690 22808622828 28510778535 38014371380 45617245656 57021557070 76028742760 114043114140 228086228280