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2130213543500 = 22537619977581
BaseRepresentation
bin11110111111111010100…
…111110001111001001100
321112122110020121020012102
4132333322213301321030
5234400134131343000
64310335005054232
7306621451235150
oct36777247617114
97478406536172
102130213543500
11751467013349
122a4a24257378
13125b557558b3
1475162465060
153a6299733d5
hex1effa9f1e4c

2130213543500 has 96 divisors (see below), whose sum is σ = 5404177693824. Its totient is φ = 718385760000.

The previous prime is 2130213543467. The next prime is 2130213543511. The reversal of 2130213543500 is 53453120312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4775291 + ... + 5202290.

It is an arithmetic number, because the mean of its divisors is an integer number (56293517644).

Almost surely, 22130213543500 is an apocalyptic number.

2130213543500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130213543500 is an abundant number, since it is smaller than the sum of its proper divisors (3273964150324).

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

2130213543500 is a wasteful number, since it uses less digits than its factorization.

2130213543500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977668 (or 9977656 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 2130213543500 its reverse (53453120312), we get a palindrome (2183666663812).

The spelling of 2130213543500 in words is "two trillion, one hundred thirty billion, two hundred thirteen million, five hundred forty-three thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 61 70 100 122 125 140 175 244 250 305 350 427 500 610 700 854 875 1220 1525 1708 1750 2135 3050 3500 4270 6100 7625 8540 10675 15250 21350 30500 42700 53375 106750 213500 9977581 19955162 39910324 49887905 69843067 99775810 139686134 199551620 249439525 279372268 349215335 498879050 608632441 698430670 997758100 1217264882 1247197625 1396861340 1746076675 2434529764 2494395250 3043162205 3492153350 4260427087 4988790500 6086324410 6984306700 8520854174 8730383375 12172648820 15215811025 17041708348 17460766750 21302135435 30431622050 34921533500 42604270870 60863244100 76079055125 85208541740 106510677175 152158110250 213021354350 304316220500 426042708700 532553385875 1065106771750 2130213543500