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487187491630 = 2572994260187
BaseRepresentation
bin1110001011011101010…
…00110010101100101110
31201120111221012211221111
413011232220302230232
530440224444213010
61011451050422234
750124650231500
oct7055650625456
91646457184844
10487187491630
11178684702304
127a50613197a
1336c31873b88
1419819741d70
15ca15db958a
hex716ea32b2e

487187491630 has 24 divisors (see below), whose sum is σ = 1020110952888. Its totient is φ = 167035711248.

The previous prime is 487187491543. The next prime is 487187491639. The reversal of 487187491630 is 36194781784.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487187491639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497129604 + ... + 497130583.

It is an arithmetic number, because the mean of its divisors is an integer number (42504623037).

Almost surely, 2487187491630 is an apocalyptic number.

487187491630 is an abundant number, since it is smaller than the sum of its proper divisors (532923461258).

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

487187491630 is a wasteful number, since it uses less digits than its factorization.

487187491630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994260208 (or 994260201 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 487187491630 in words is "four hundred eighty-seven billion, one hundred eighty-seven million, four hundred ninety-one thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 994260187 1988520374 4971300935 6959821309 9942601870 13919642618 34799106545 48718749163 69598213090 97437498326 243593745815 487187491630