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1349678689908 = 223112473224159
BaseRepresentation
bin10011101000111111000…
…111100110111001110100
311210000202102120101021020
4103220333013212321310
5134103120221034113
62512011150221140
7166340203401123
oct23507707467164
94700672511236
101349678689908
1148043948620a
121996b07b47b0
139a374417843
1449479359aba
152519549c023
hex13a3f1e6e74

1349678689908 has 12 divisors (see below), whose sum is σ = 3149250276480. Its totient is φ = 449892896632.

The previous prime is 1349678689889. The next prime is 1349678689969. The reversal of 1349678689908 is 8099868769431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56236612068 + ... + 56236612091.

It is an arithmetic number, because the mean of its divisors is an integer number (262437523040).

Almost surely, 21349678689908 is an apocalyptic number.

It is an amenable number.

1349678689908 is an abundant number, since it is smaller than the sum of its proper divisors (1799571586572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349678689908 is a wasteful number, since it uses less digits than its factorization.

1349678689908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112473224166 (or 112473224164 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 78.

The spelling of 1349678689908 in words is "one trillion, three hundred forty-nine billion, six hundred seventy-eight million, six hundred eighty-nine thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 112473224159 224946448318 337419672477 449892896636 674839344954 1349678689908