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1318214172671 = 11193620920477
BaseRepresentation
bin10011001011101011101…
…011111111111111111111
311200000112121112021220222
4103023223223333333333
5133044200312011141
62445325040331555
7164144401406534
oct23135353777777
94600477467828
101318214172671
11469062597760
1219358b313bbb
13973cb804bc6
1447b32606d8b
1524452ed714b
hex132ebafffff

1318214172671 has 8 divisors (see below), whose sum is σ = 1445502872784. Its totient is φ = 1192167313920.

The previous prime is 1318214172659. The next prime is 1318214172797. The reversal of 1318214172671 is 1762714128131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1318214172671 - 230 = 1317140430847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318214172071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310458116 + ... + 310462361.

It is an arithmetic number, because the mean of its divisors is an integer number (180687859098).

Almost surely, 21318214172671 is an apocalyptic number.

1318214172671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1318214172671 is a deficient number, since it is larger than the sum of its proper divisors (127288700113).

1318214172671 is a wasteful number, since it uses less digits than its factorization.

1318214172671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620920681.

The product of its digits is 112896, while the sum is 44.

The spelling of 1318214172671 in words is "one trillion, three hundred eighteen billion, two hundred fourteen million, one hundred seventy-two thousand, six hundred seventy-one".

Divisors: 1 11 193 2123 620920477 6830125247 119837652061 1318214172671