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28906827243723 = 3311137486875743
BaseRepresentation
bin1101001001010011001010…
…01010110110000011001011
310210100110120111021220111000
412210221211022312003023
512242102140233244343
6141251340233110043
76042310061312262
oct644514512660313
9123313514256430
1028906827243723
11923535341a350
1232aa405b58323
131318b95c31180
1471d15290d5d9
15351ded8b9ed3
hex1a4a652b60cb

28906827243723 has 32 divisors (see below), whose sum is σ = 50311804999680. Its totient is φ = 16171651602720.

The previous prime is 28906827243713. The next prime is 28906827243733. The reversal of 28906827243723 is 32734272860982.

28906827243723 is a `hidden beast` number, since 28 + 90 + 6 + 8 + 2 + 72 + 437 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (28906827243713) and next prime (28906827243733).

It is not a de Polignac number, because 28906827243723 - 232 = 28902532276427 is a prime.

It is a super-2 number, since 2×289068272437232 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28906827243713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3743434011 + ... + 3743441732.

It is an arithmetic number, because the mean of its divisors is an integer number (1572243906240).

Almost surely, 228906827243723 is an apocalyptic number.

28906827243723 is a deficient number, since it is larger than the sum of its proper divisors (21404977755957).

28906827243723 is a wasteful number, since it uses less digits than its factorization.

28906827243723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486875776 (or 7486875770 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 28906827243723 in words is "twenty-eight trillion, nine hundred six billion, eight hundred twenty-seven million, two hundred forty-three thousand, seven hundred twenty-three".

Divisors: 1 3 9 11 13 27 33 39 99 117 143 297 351 429 1287 3861 7486875743 22460627229 67381881687 82355633173 97329384659 202145645061 247066899519 291988153977 741200698557 875964461931 1070623231249 2223602095671 2627893385793 3211869693747 9635609081241 28906827243723