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11455423611212 = 227612109949549
BaseRepresentation
bin1010011010110010110001…
…1101001000000101001100
31111120010110011112012211102
42212230230131020011030
53000141201421024322
640210314324042232
72261425035045560
oct246545435100514
944503404465742
1011455423611212
113717243a93779
12135017a233378
1365131b34b2c9
142b86344b96a0
1514ceadb78792
hexa6b2c74814c

11455423611212 has 36 divisors (see below), whose sum is σ = 23292592268400. Its totient is φ = 4828984148160.

The previous prime is 11455423611209. The next prime is 11455423611217. The reversal of 11455423611212 is 21211632455411.

It is a super-2 number, since 2×114554236112122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11455423611217) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 54870587 + ... + 55078962.

It is an arithmetic number, because the mean of its divisors is an integer number (647016451900).

Almost surely, 211455423611212 is an apocalyptic number.

It is an amenable number.

11455423611212 is an abundant number, since it is smaller than the sum of its proper divisors (11837168657188).

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

11455423611212 is a wasteful number, since it uses less digits than its factorization.

11455423611212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109949682 (or 109949619 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The spelling of 11455423611212 in words is "eleven trillion, four hundred fifty-five billion, four hundred twenty-three million, six hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 3721 7442 14884 26047 52094 104188 109949549 219899098 439798196 769646843 1539293686 3078587372 6706922489 13413844978 26827689956 46948457423 93896914846 187793829692 409122271829 818244543658 1636489087316 2863855902803 5727711805606 11455423611212