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2303121231212 = 2210631353740013
BaseRepresentation
bin100001100000111100101…
…110010000110101101100
322011011202110220212000012
4201200330232100311230
5300213243013344322
64522012252552352
7325252330313024
oct41407456206554
98134673825005
102303121231212
1180882599030a
1231243a7826b8
1313924cc12949
147d686354a84
153ed996caae2
hex2183cb90d6c

2303121231212 has 24 divisors (see below), whose sum is σ = 4034652594336. Its totient is φ = 1150363565568.

The previous prime is 2303121231193. The next prime is 2303121231223. The reversal of 2303121231212 is 2121321213032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57539318 + ... + 57579330.

It is an arithmetic number, because the mean of its divisors is an integer number (168110524764).

Almost surely, 22303121231212 is an apocalyptic number.

It is an amenable number.

2303121231212 is a deficient number, since it is larger than the sum of its proper divisors (1731531363124).

2303121231212 is a wasteful number, since it uses less digits than its factorization.

2303121231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54617 (or 54615 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2303121231212 its reverse (2121321213032), we get a palindrome (4424442444244).

The spelling of 2303121231212 in words is "two trillion, three hundred three billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 1063 2126 4252 13537 27074 40013 54148 80026 160052 14389831 28779662 42533819 57559324 85067638 170135276 541655981 1083311962 2166623924 575780307803 1151560615606 2303121231212