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130693191405 = 3577915755659
BaseRepresentation
bin111100110110111101…
…0111101011011101101
3110111100020022000110120
41321231322331123231
54120124424111110
6140012320355153
712304461540360
oct1715572753355
9414306260416
10130693191405
1150476999097
12213b4a75ab9
13c42a69bb6a
14647b5900d7
1535edb3d870
hex1e6debd6ed

130693191405 has 32 divisors (see below), whose sum is σ = 242006937600. Its totient is φ = 58989183552.

The previous prime is 130693191389. The next prime is 130693191407. The reversal of 130693191405 is 504191396031.

It is not a de Polignac number, because 130693191405 - 24 = 130693191389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130693191407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7869535 + ... + 7886124.

It is an arithmetic number, because the mean of its divisors is an integer number (7562716800).

Almost surely, 2130693191405 is an apocalyptic number.

130693191405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130693191405 is a deficient number, since it is larger than the sum of its proper divisors (111313746195).

130693191405 is a wasteful number, since it uses less digits than its factorization.

130693191405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15755753.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 130693191405 in words is "one hundred thirty billion, six hundred ninety-three million, one hundred ninety-one thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 79 105 237 395 553 1185 1659 2765 8295 15755659 47266977 78778295 110289613 236334885 330868839 551448065 1244697061 1654344195 3734091183 6223485305 8712879427 18670455915 26138638281 43564397135 130693191405