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1307120529 = 3113133149
BaseRepresentation
bin100110111101001…
…0001001110010001
310101002120121021110
41031322101032101
510134110324104
6333412043533
744251225011
oct11572211621
93332517243
101307120529
11610921000
123059035a9
1317aa5c000
14c5855c41
1579b49e89
hex4de91391

1307120529 has 64 divisors (see below), whose sum is σ = 2090592000. Its totient is φ = 726348480.

The previous prime is 1307120473. The next prime is 1307120537. The reversal of 1307120529 is 9250217031.

It is not a de Polignac number, because 1307120529 - 28 = 1307120273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1307120496 and 1307120505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307120629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8772547 + ... + 8772695.

It is an arithmetic number, because the mean of its divisors is an integer number (32665500).

Almost surely, 21307120529 is an apocalyptic number.

It is an amenable number.

1307120529 is a deficient number, since it is larger than the sum of its proper divisors (783471471).

1307120529 is an equidigital number, since it uses as much as digits as its factorization.

1307120529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1307120529 is about 36154.1218811908. The cubic root of 1307120529 is about 1093.3818956365.

The spelling of 1307120529 in words is "one billion, three hundred seven million, one hundred twenty thousand, five hundred twenty-nine".

Divisors: 1 3 11 13 33 39 121 143 149 169 363 429 447 507 1331 1573 1639 1859 1937 2197 3993 4719 4917 5577 5811 6591 17303 18029 20449 21307 24167 25181 51909 54087 61347 63921 72501 75543 198319 224939 234377 265837 276991 327353 594957 674817 703131 797511 830973 982059 2578147 2924207 3046901 3600883 7734441 8772621 9140703 10802649 33515911 39609713 100547733 118829139 435706843 1307120529