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28830813378256 = 241889279537683
BaseRepresentation
bin1101000111000101100100…
…11000111101011011010000
310210002012100221210110002101
412203202302120331123100
512234331001211101011
6141152405352130144
76033646301155201
oct643426230753320
9123065327713071
1028830813378256
11920609659712a
123297731096954
1313119708a4956
147195c13195a8
1534ee503332c1
hex1a38b263d6d0

28830813378256 has 20 divisors (see below), whose sum is σ = 55860002445312. Its totient is φ = 14415328876256.

The previous prime is 28830813378251. The next prime is 28830813378293. The reversal of 28830813378256 is 65287331803882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28830813378251) 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, 1746010 + ... + 7791673.

Almost surely, 228830813378256 is an apocalyptic number.

It is an amenable number.

28830813378256 is a deficient number, since it is larger than the sum of its proper divisors (27029189067056).

28830813378256 is a wasteful number, since it uses less digits than its factorization.

28830813378256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726618 (or 9726612 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 28830813378256 in words is "twenty-eight trillion, eight hundred thirty billion, eight hundred thirteen million, three hundred seventy-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 188927 377854 755708 1511416 3022832 9537683 19075366 38150732 76301464 152602928 1801925836141 3603851672282 7207703344564 14415406689128 28830813378256