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1312123414 = 27432179607
BaseRepresentation
bin100111000110101…
…0110101000010110
310101102222202221111
41032031112220112
510141400422124
6334111205234
744341602460
oct11615265026
93342882844
101312123414
11613728818
1230751681a
1317bac11b4
14c6399130
157a2d7494
hex4e356a16

1312123414 has 16 divisors (see below), whose sum is σ = 2301666048. Its totient is φ = 549260712.

The previous prime is 1312123399. The next prime is 1312123429. The reversal of 1312123414 is 4143212131.

It is an interprime number because it is at equal distance from previous prime (1312123399) and next prime (1312123429).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089202 + ... + 1090405.

It is an arithmetic number, because the mean of its divisors is an integer number (143854128).

Almost surely, 21312123414 is an apocalyptic number.

1312123414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312123414 is a deficient number, since it is larger than the sum of its proper divisors (989542634).

1312123414 is a wasteful number, since it uses less digits than its factorization.

1312123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179659.

The product of its digits is 576, while the sum is 22.

The square root of 1312123414 is about 36223.2441120339. The cubic root of 1312123414 is about 1094.7750596795.

Adding to 1312123414 its reverse (4143212131), we get a palindrome (5455335545).

The spelling of 1312123414 in words is "one billion, three hundred twelve million, one hundred twenty-three thousand, four hundred fourteen".

Divisors: 1 2 7 14 43 86 301 602 2179607 4359214 15257249 30514498 93723101 187446202 656061707 1312123414