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213546875480 = 23523232116169
BaseRepresentation
bin1100011011100001100…
…0101011101001011000
3202102012110010021002022
43012320120223221120
511444321000003410
6242034014354012
721266614330541
oct3067030535130
9672173107068
10213546875480
118262370a264
12354784bb908
13171a2aa9123
14a49b3254c8
15584c8ed455
hex31b862ba58

213546875480 has 32 divisors (see below), whose sum is σ = 501370927200. Its totient is φ = 81704891136.

The previous prime is 213546875473. The next prime is 213546875491. The reversal of 213546875480 is 84578645312.

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, 116057165 + ... + 116059004.

It is an arithmetic number, because the mean of its divisors is an integer number (15667841475).

Almost surely, 2213546875480 is an apocalyptic number.

213546875480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213546875480 is an abundant number, since it is smaller than the sum of its proper divisors (287824051720).

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

213546875480 is a wasteful number, since it uses less digits than its factorization.

213546875480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232116203 (or 232116199 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 213546875480 in words is "two hundred thirteen billion, five hundred forty-six million, eight hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 232116169 464232338 928464676 1160580845 1856929352 2321161690 4642323380 5338671887 9284646760 10677343774 21354687548 26693359435 42709375096 53386718870 106773437740 213546875480