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1345909753748 = 227151131812181
BaseRepresentation
bin10011100101011110011…
…110010000011110010100
311202200000202122120211002
4103211132132100132110
5134022410344104443
62510145153002432
7166144620101060
oct23453636203624
94680022576732
101345909753748
11479884a7173a
12198a1a553418
1399bc36386c1
14491dc992aa0
152502466a2b8
hex1395e790794

1345909753748 has 24 divisors (see below), whose sum is σ = 2693601074304. Its totient is φ = 576436701600.

The previous prime is 1345909753709. The next prime is 1345909753751. The reversal of 1345909753748 is 8473579095431.

It is a super-2 number, since 2×13459097537482 (a number of 25 digits) contains 22 as substring.

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, 15863783 + ... + 15948398.

It is an arithmetic number, because the mean of its divisors is an integer number (112233378096).

Almost surely, 21345909753748 is an apocalyptic number.

It is an amenable number.

1345909753748 is an abundant number, since it is smaller than the sum of its proper divisors (1347691320556).

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

1345909753748 is a wasteful number, since it uses less digits than its factorization.

1345909753748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31813703 (or 31813701 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 1345909753748 in words is "one trillion, three hundred forty-five billion, nine hundred nine million, seven hundred fifty-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 1511 3022 6044 10577 21154 42308 31812181 63624362 127248724 222685267 445370534 890741068 48068205491 96136410982 192272821964 336477438437 672954876874 1345909753748