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130450215520 = 2554911660517
BaseRepresentation
bin111100101111101110…
…0000101001001100000
3110110201022002120012201
41321133130011021200
54114130223344040
6135532240502544
712265451352022
oct1713734051140
9413638076181
10130450215520
1150361822779
122134761aa54
13c3bc248651
1464571c2012
1535d7645a9a
hex1e5f705260

130450215520 has 48 divisors (see below), whose sum is σ = 308816495568. Its totient is φ = 52073781760.

The previous prime is 130450215517. The next prime is 130450215557. The reversal of 130450215520 is 25512054031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751699 + ... + 908818.

It is an arithmetic number, because the mean of its divisors is an integer number (6433676991).

Almost surely, 2130450215520 is an apocalyptic number.

130450215520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130450215520 is an abundant number, since it is smaller than the sum of its proper divisors (178366280048).

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

130450215520 is a wasteful number, since it uses less digits than its factorization.

130450215520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661023 (or 1661015 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 130450215520 its reverse (25512054031), we get a palindrome (155962269551).

The spelling of 130450215520 in words is "one hundred thirty billion, four hundred fifty million, two hundred fifteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 491 982 1964 2455 3928 4910 7856 9820 15712 19640 39280 78560 1660517 3321034 6642068 8302585 13284136 16605170 26568272 33210340 53136544 66420680 132841360 265682720 815313847 1630627694 3261255388 4076569235 6522510776 8153138470 13045021552 16306276940 26090043104 32612553880 65225107760 130450215520