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1307105055 = 32529046779
BaseRepresentation
bin100110111101000…
…1101011100011111
310101002112211001100
41031322031130133
510134104330210
6333411444143
744251131624
oct11572153437
93332484040
101307105055
11610910413
123058b6653
1317aa54c59
14c585034b
1579b455c0
hex4de8d71f

1307105055 has 12 divisors (see below), whose sum is σ = 2265648840. Its totient is φ = 697122672.

The previous prime is 1307105053. The next prime is 1307105071. The reversal of 1307105055 is 5505017031.

It is not a de Polignac number, because 1307105055 - 21 = 1307105053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307105053) 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, 14523345 + ... + 14523434.

It is an arithmetic number, because the mean of its divisors is an integer number (188804070).

Almost surely, 21307105055 is an apocalyptic number.

1307105055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1307105055 is a deficient number, since it is larger than the sum of its proper divisors (958543785).

1307105055 is a wasteful number, since it uses less digits than its factorization.

1307105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29046790 (or 29046787 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 1307105055 is about 36153.9078800619. The cubic root of 1307105055 is about 1093.3775810489.

The spelling of 1307105055 in words is "one billion, three hundred seven million, one hundred five thousand, fifty-five".

Divisors: 1 3 5 9 15 45 29046779 87140337 145233895 261421011 435701685 1307105055