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28966970535 = 35832280321
BaseRepresentation
bin11010111110100100…
…001110010010100111
32202202202110120100120
4122332210032102213
5433311021024120
621150210413023
72043554121066
oct327644162247
982682416316
1028966970535
1111315110778
125744b91173
132968362069
14158b1801dd
15b480c1140
hex6be90e4a7

28966970535 has 24 divisors (see below), whose sum is σ = 46912447344. Its totient is φ = 15262863360.

The previous prime is 28966970533. The next prime is 28966970551. The reversal of 28966970535 is 53507966982.

It is not a de Polignac number, because 28966970535 - 21 = 28966970533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28966970533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36826 + ... + 243495.

It is an arithmetic number, because the mean of its divisors is an integer number (1954685306).

Almost surely, 228966970535 is an apocalyptic number.

28966970535 is a deficient number, since it is larger than the sum of its proper divisors (17945476809).

28966970535 is an equidigital number, since it uses as much as digits as its factorization.

28966970535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280495 (or 280412 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 28966970535 in words is "twenty-eight billion, nine hundred sixty-six million, nine hundred seventy thousand, five hundred thirty-five".

Divisors: 1 3 5 15 83 249 415 1245 6889 20667 34445 103335 280321 840963 1401605 4204815 23266643 69799929 116333215 348999645 1931131369 5793394107 9655656845 28966970535