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28658953734 = 2319251394331
BaseRepresentation
bin11010101100001101…
…001110111000000110
32201222021212200201220
4122230031032320012
5432143143004414
621055444501210
72033124041655
oct325415167006
981867780656
1028658953734
1111177261134
1256799aa806
1329195b82b8
14155c2c119c
15b2b02bca9
hex6ac34ee06

28658953734 has 16 divisors (see below), whose sum is σ = 60334639680. Its totient is φ = 9050195880.

The previous prime is 28658953699. The next prime is 28658953747. The reversal of 28658953734 is 43735985682.

It is a super-3 number, since 3×286589537343 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125697052 + ... + 125697279.

It is an arithmetic number, because the mean of its divisors is an integer number (3770914980).

Almost surely, 228658953734 is an apocalyptic number.

28658953734 is an abundant number, since it is smaller than the sum of its proper divisors (31675685946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28658953734 is a wasteful number, since it uses less digits than its factorization.

28658953734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251394355.

The product of its digits is 43545600, while the sum is 60.

The spelling of 28658953734 in words is "twenty-eight billion, six hundred fifty-eight million, nine hundred fifty-three thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 251394331 502788662 754182993 1508365986 4776492289 9552984578 14329476867 28658953734