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1213443432010 = 251919732419007
BaseRepresentation
bin10001101010000110110…
…111010101111001001010
311022000002221220012210201
4101222012313111321022
5124340113004311020
62325240452002414
7153445154663245
oct21520667257112
94260087805721
101213443432010
11428689201587
1217720b90040a
138a5727c69c4
1442a33b2225c
152187002ea0a
hex11a86dd5e4a

1213443432010 has 32 divisors (see below), whose sum is σ = 2310826890240. Its totient is φ = 457497012672.

The previous prime is 1213443432007. The next prime is 1213443432031. The reversal of 1213443432010 is 102343443121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213443432010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16172074 + ... + 16246933.

It is an arithmetic number, because the mean of its divisors is an integer number (72213340320).

Almost surely, 21213443432010 is an apocalyptic number.

1213443432010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213443432010 is a deficient number, since it is larger than the sum of its proper divisors (1097383458230).

1213443432010 is a wasteful number, since it uses less digits than its factorization.

1213443432010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419230.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1213443432010 its reverse (102343443121), we get a palindrome (1315786875131).

The spelling of 1213443432010 in words is "one trillion, two hundred thirteen billion, four hundred forty-three million, four hundred thirty-two thousand, ten".

Divisors: 1 2 5 10 19 38 95 190 197 394 985 1970 3743 7486 18715 37430 32419007 64838014 162095035 324190070 615961133 1231922266 3079805665 6159611330 6386544379 12773088758 31932721895 63865443790 121344343201 242688686402 606721716005 1213443432010