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1309285432475 = 5289588442891
BaseRepresentation
bin10011000011010111011…
…111100011110010011011
311122011111100112021222122
4103003113133203302123
5132422404032314400
62441251042411455
7163410212360156
oct23032737436233
94564440467878
101309285432475
114652a0548029
121918b9060b8b
1396607a44997
1447526860c9d
15240ce1d4685
hex130d77e3c9b

1309285432475 has 12 divisors (see below), whose sum is σ = 1641755668680. Its totient is φ = 1035659486400.

The previous prime is 1309285432423. The next prime is 1309285432487. The reversal of 1309285432475 is 5742345829031.

It is not a de Polignac number, because 1309285432475 - 220 = 1309284383899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294219221 + ... + 294223670.

It is an arithmetic number, because the mean of its divisors is an integer number (136812972390).

Almost surely, 21309285432475 is an apocalyptic number.

1309285432475 is a deficient number, since it is larger than the sum of its proper divisors (332470236205).

1309285432475 is an equidigital number, since it uses as much as digits as its factorization.

1309285432475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588442990 (or 588442985 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 1309285432475 in words is "one trillion, three hundred nine billion, two hundred eighty-five million, four hundred thirty-two thousand, four hundred seventy-five".

Divisors: 1 5 25 89 445 2225 588442891 2942214455 14711072275 52371417299 261857086495 1309285432475