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1312110430245 = 325177124157423
BaseRepresentation
bin10011000101111111111…
…000000100100000100101
311122102210020021001101200
4103011333320010200211
5132444200232231440
62442435240113113
7163540214431236
oct23057770044045
94572706231350
101312110430245
1146651014972a
12192367165799
13969680b50b4
1447713b1108d
15241e720ac30
hex1317fe04825

1312110430245 has 48 divisors (see below), whose sum is σ = 2442025677312. Its totient is φ = 649351503360.

The previous prime is 1312110430231. The next prime is 1312110430273. The reversal of 1312110430245 is 5420340112131.

1312110430245 is a `hidden beast` number, since 1 + 312 + 1 + 1 + 0 + 4 + 302 + 45 = 666.

It is not a de Polignac number, because 1312110430245 - 26 = 1312110430181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 12024397 + ... + 12133026.

It is an arithmetic number, because the mean of its divisors is an integer number (50875534944).

Almost surely, 21312110430245 is an apocalyptic number.

1312110430245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1312110430245 is a deficient number, since it is larger than the sum of its proper divisors (1129915247067).

1312110430245 is a wasteful number, since it uses less digits than its factorization.

1312110430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24157522 (or 24157519 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1312110430245 its reverse (5420340112131), we get a palindrome (6732450542376).

The spelling of 1312110430245 in words is "one trillion, three hundred twelve billion, one hundred ten million, four hundred thirty thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 17 45 51 71 85 153 213 255 355 639 765 1065 1207 3195 3621 6035 10863 18105 54315 24157423 72472269 120787115 217416807 362361345 410676191 1087084035 1232028573 1715177033 2053380955 3696085719 5145531099 6160142865 8575885165 15436593297 18480428595 25727655495 29158009561 77182966485 87474028683 145790047805 262422086049 437370143415 1312110430245