Search a number
-
+
228027807830528 = 29769579150601
BaseRepresentation
bin110011110110001111011100…
…011111000001001000000000
31002220101020121222211010021122
4303312033130133001020000
5214342001422301034103
62124550310114011412
766013315436121116
oct6366173437011000
91086336558733248
10228027807830528
1166725060936242
12216a9397576b68
139a30c1230c754
144044867769ab6
151b567d72e2b38
hexcf63dc7c1200

228027807830528 has 40 divisors (see below), whose sum is σ = 456202720701420. Its totient is φ = 113865641164800.

The previous prime is 228027807830521. The next prime is 228027807830531. The reversal of 228027807830528 is 825038708720822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 194947273371904 + 33080534458624 = 13962352^2 + 5751568^2 .

It is a super-2 number, since 2×2280278078305282 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228027807830521) 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, 289181573 + ... + 289969028.

Almost surely, 2228027807830528 is an apocalyptic number.

It is an amenable number.

228027807830528 is an abundant number, since it is smaller than the sum of its proper divisors (228174912870892).

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

228027807830528 is an frugal number, since it uses more digits than its factorization.

228027807830528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579151388 (or 579151372 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 62.

The spelling of 228027807830528 in words is "two hundred twenty-eight trillion, twenty-seven billion, eight hundred seven million, eight hundred thirty thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 769 1538 3076 6152 12304 24608 49216 98432 196864 393728 579150601 1158301202 2316602404 4633204808 9266409616 18532819232 37065638464 74131276928 148262553856 296525107712 445366812169 890733624338 1781467248676 3562934497352 7125868994704 14251737989408 28503475978816 57006951957632 114013903915264 228027807830528