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20112350012 = 2273162142491
BaseRepresentation
bin10010101110110010…
…100001101100111100
31220220122221020111022
4102232302201230330
5312142230200022
613123421243312
71311255103646
oct225662415474
956818836438
1020112350012
118590996277
123a93703538
131b86a53831
14d8b1ad896
157caa5ec42
hex4aeca1b3c

20112350012 has 24 divisors (see below), whose sum is σ = 35701608432. Its totient is φ = 9912067200.

The previous prime is 20112349997. The next prime is 20112350017. The reversal of 20112350012 is 21005321102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112350017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452087 + ... + 494577.

It is an arithmetic number, because the mean of its divisors is an integer number (1487567018).

Almost surely, 220112350012 is an apocalyptic number.

It is an amenable number.

20112350012 is a deficient number, since it is larger than the sum of its proper divisors (15589258420).

20112350012 is a wasteful number, since it uses less digits than its factorization.

20112350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44189 (or 44187 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20112350012 its reverse (21005321102), we get a palindrome (41117671114).

The spelling of 20112350012 in words is "twenty billion, one hundred twelve million, three hundred fifty thousand, twelve".

Divisors: 1 2 4 73 146 292 1621 3242 6484 42491 84982 118333 169964 236666 473332 3101843 6203686 12407372 68877911 137755822 275511644 5028087503 10056175006 20112350012