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1349191644424 = 231312972996581
BaseRepresentation
bin10011101000100010000…
…101101011010100001000
311202222111111002220110121
4103220202011223110020
5134101121030110144
62511450551153024
7166322140520341
oct23504205532410
94688444086417
101349191644424
11480209567788
12199595675774
139a2c754a050
14494307b70c8
1525167842384
hex13a2216b508

1349191644424 has 16 divisors (see below), whose sum is σ = 2724329282220. Its totient is φ = 622703835840.

The previous prime is 1349191644389. The next prime is 1349191644553. The reversal of 1349191644424 is 4244461919431.

It can be written as a sum of positive squares in 2 ways, for example, as 1346876302500 + 2315341924 = 1160550^2 + 48118^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 6486498187 + ... + 6486498394.

Almost surely, 21349191644424 is an apocalyptic number.

It is an amenable number.

1349191644424 is an abundant number, since it is smaller than the sum of its proper divisors (1375137637796).

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

1349191644424 is a wasteful number, since it uses less digits than its factorization.

1349191644424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972996600 (or 12972996596 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 1349191644424 in words is "one trillion, three hundred forty-nine billion, one hundred ninety-one million, six hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 12972996581 25945993162 51891986324 103783972648 168648955553 337297911106 674595822212 1349191644424