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99286712090 = 2525139556459
BaseRepresentation
bin101110001110111110…
…0101111111100011010
3100111021110110120011222
41130131330233330122
53111314344241330
6113340042452042
710113263061626
oct1343574577432
9314243416158
1099286712090
113911a840365
12172aab04022
139493aca0a7
144b3c428186
1528b17e00e5
hex171df2ff1a

99286712090 has 16 divisors (see below), whose sum is σ = 179428102560. Its totient is φ = 39556458000.

The previous prime is 99286712071. The next prime is 99286712099. The reversal of 99286712090 is 9021768299.

It is not an unprimeable number, because it can be changed into a prime (99286712099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19775720 + ... + 19780739.

It is an arithmetic number, because the mean of its divisors is an integer number (11214256410).

Almost surely, 299286712090 is an apocalyptic number.

99286712090 is a deficient number, since it is larger than the sum of its proper divisors (80141390470).

99286712090 is a wasteful number, since it uses less digits than its factorization.

99286712090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556717.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 99286712090 in words is "ninety-nine billion, two hundred eighty-six million, seven hundred twelve thousand, ninety".

Divisors: 1 2 5 10 251 502 1255 2510 39556459 79112918 197782295 395564590 9928671209 19857342418 49643356045 99286712090