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20243429613 = 3211297051003
BaseRepresentation
bin10010110110100110…
…100011100011101101
31221020210120202220100
4102312212203203231
5312424304221423
613144422541313
71314436212141
oct226646434355
957223522810
1020243429613
118648985320
123b0b597839
131ba7c59824
14da0771221
157d7303343
hex4b69a38ed

20243429613 has 24 divisors (see below), whose sum is σ = 32998698720. Its totient is φ = 11845683360.

The previous prime is 20243429611. The next prime is 20243429627. The reversal of 20243429613 is 31692434202.

20243429613 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 34 + 2 + 9 + 613 = 666.

It is not a de Polignac number, because 20243429613 - 21 = 20243429611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243429611) 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 23 ways as a sum of consecutive naturals, for example, 3522631 + ... + 3528372.

It is an arithmetic number, because the mean of its divisors is an integer number (1374945780).

Almost surely, 220243429613 is an apocalyptic number.

It is an amenable number.

20243429613 is a deficient number, since it is larger than the sum of its proper divisors (12755269107).

20243429613 is a wasteful number, since it uses less digits than its factorization.

20243429613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051049 (or 7051046 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20243429613 in words is "twenty billion, two hundred forty-three million, four hundred twenty-nine thousand, six hundred thirteen".

Divisors: 1 3 9 11 29 33 87 99 261 319 957 2871 7051003 21153009 63459027 77561033 204479087 232683099 613437261 698049297 1840311783 2249269957 6747809871 20243429613