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270505256240 = 2453381315703
BaseRepresentation
bin1111101111101101011…
…1101010010100110000
3221212012222100210122002
43323323113222110300
513412443321144430
6324133550233132
725354241511632
oct3737327522460
9855188323562
10270505256240
11a47a218a80a
12445137b57a8
131c67c33c1cb
14d141c5aa52
1570830da845
hex3efb5ea530

270505256240 has 20 divisors (see below), whose sum is σ = 628924720944. Its totient is φ = 108202102464.

The previous prime is 270505256237. The next prime is 270505256267. The reversal of 270505256240 is 42652505072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 270505256194 and 270505256203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690657772 + ... + 1690657931.

Almost surely, 2270505256240 is an apocalyptic number.

270505256240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270505256240 is an abundant number, since it is smaller than the sum of its proper divisors (358419464704).

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

270505256240 is a wasteful number, since it uses less digits than its factorization.

270505256240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381315716 (or 3381315710 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 270505256240 in words is "two hundred seventy billion, five hundred five million, two hundred fifty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3381315703 6762631406 13525262812 16906578515 27050525624 33813157030 54101051248 67626314060 135252628120 270505256240