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28850655434 = 2731793133527
BaseRepresentation
bin11010110111101000…
…100001000011001010
32202110122121011000212
4122313220201003022
5433041231433214
621130453401122
72040642345026
oct326750410312
982418534025
1028850655434
1111265496497
1257120391a2
13294a228463
141579943386
15b3cc9753e
hex6b7a210ca

28850655434 has 32 divisors (see below), whose sum is σ = 44267368320. Its totient is φ = 14099035392.

The previous prime is 28850655413. The next prime is 28850655439. The reversal of 28850655434 is 43455605882.

It is not an unprimeable number, because it can be changed into a prime (28850655439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178179 + ... + 8181705.

It is an arithmetic number, because the mean of its divisors is an integer number (1383355260).

Almost surely, 228850655434 is an apocalyptic number.

28850655434 is a deficient number, since it is larger than the sum of its proper divisors (15416712886).

28850655434 is a wasteful number, since it uses less digits than its factorization.

28850655434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 28850655434 in words is "twenty-eight billion, eight hundred fifty million, six hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 73 146 179 313 358 626 3527 7054 13067 22849 26134 45698 56027 112054 257471 514942 631333 1103951 1262666 2207902 4089971 8179942 46087309 80588423 92174618 161176846 197607229 395214458 14425327717 28850655434