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230518228869 = 32311636138269
BaseRepresentation
bin1101011010101111110…
…1010000011110000101
3211001000012201100020100
43112223331100132011
512234100131310434
6253522033354313
722440312421125
oct3265375203605
9731005640210
10230518228869
1189842592255
1238814108999
1318978b7c576
14b22b2a8c85
155ee2817699
hex35abf50785

230518228869 has 48 divisors (see below), whose sum is σ = 346426462720. Its totient is φ = 147550066560.

The previous prime is 230518228867. The next prime is 230518228903. The reversal of 230518228869 is 968822815032.

It is a happy number.

230518228869 is a `hidden beast` number, since 23 + 0 + 518 + 2 + 28 + 86 + 9 = 666.

It is not a de Polignac number, because 230518228869 - 21 = 230518228867 is a prime.

It is a super-2 number, since 2×2305182288692 (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 (230518228867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27873267 + ... + 27881535.

Almost surely, 2230518228869 is an apocalyptic number.

It is an amenable number.

230518228869 is a deficient number, since it is larger than the sum of its proper divisors (115908233851).

230518228869 is a wasteful number, since it uses less digits than its factorization.

230518228869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082 (or 9079 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 230518228869 in words is "two hundred thirty billion, five hundred eighteen million, two hundred twenty-eight thousand, eight hundred sixty-nine".

Divisors: 1 3 9 31 93 163 279 489 613 1467 1839 5053 5517 8269 15159 19003 24807 45477 57009 74421 99919 171027 256339 299757 769017 899271 1347847 2307051 3097489 4043541 5068897 9292467 12130623 15206691 27877401 41783257 45620073 125349771 157135807 376049313 471407421 826230211 1414222263 2478690633 7436071899 25613136541 76839409623 230518228869