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1317431417248 = 2543957435623
BaseRepresentation
bin10011001010111101000…
…010000001100110100000
311122221112001122012100101
4103022331002001212200
5133041044420322443
62445115235232144
7164116115165002
oct23127502014640
94587461565311
101317431417248
114687a0764a51
121933b1148654
13973055ac20b
1447a9a68a372
152440941984d
hex132bd0819a0

1317431417248 has 24 divisors (see below), whose sum is σ = 2654011549728. Its totient is φ = 643396737984.

The previous prime is 1317431417233. The next prime is 1317431417299. The reversal of 1317431417248 is 8427141347131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1317431417198 and 1317431417207.

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, 478716436 + ... + 478719187.

It is an arithmetic number, because the mean of its divisors is an integer number (110583814572).

Almost surely, 21317431417248 is an apocalyptic number.

It is an amenable number.

1317431417248 is an abundant number, since it is smaller than the sum of its proper divisors (1336580132480).

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

1317431417248 is an equidigital number, since it uses as much as digits as its factorization.

1317431417248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957435676 (or 957435668 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The spelling of 1317431417248 in words is "one trillion, three hundred seventeen billion, four hundred thirty-one million, four hundred seventeen thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 957435623 1914871246 3829742492 7659484984 15318969968 30637939936 41169731789 82339463578 164678927156 329357854312 658715708624 1317431417248