Search a number
-
+
28736883027 = 337970119219
BaseRepresentation
bin11010110000110110…
…100000100101010011
32202011201111220122000
4122300312200211103
5432323120224102
621111311045043
72035061322036
oct326066404523
982151456560
1028736883027
1111207248606
12569bb10783
13292c7a1cc8
1415687a901d
15b32cc201c
hex6b0da0953

28736883027 has 32 divisors (see below), whose sum is σ = 43175808000. Its totient is φ = 18887450400.

The previous prime is 28736882959. The next prime is 28736883059. The reversal of 28736883027 is 72038863782.

It is not a de Polignac number, because 28736883027 - 28 = 28736882771 is a prime.

It is a super-2 number, since 2×287368830272 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28736883727) 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, 1485624 + ... + 1504842.

It is an arithmetic number, because the mean of its divisors is an integer number (1349244000).

Almost surely, 228736883027 is an apocalyptic number.

28736883027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28736883027 is a deficient number, since it is larger than the sum of its proper divisors (14438924973).

28736883027 is a wasteful number, since it uses less digits than its factorization.

28736883027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20008 (or 20002 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 28736883027 in words is "twenty-eight billion, seven hundred thirty-six million, eight hundred eighty-three thousand, twenty-seven".

Divisors: 1 3 9 27 79 237 701 711 2103 2133 6309 18927 19219 55379 57657 166137 172971 498411 518913 1495233 1518301 4554903 13472519 13664709 40417557 40994127 121252671 363758013 1064329001 3192987003 9578961009 28736883027