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27030272240 = 2451471229693
BaseRepresentation
bin11001001011001000…
…010011100011110000
32120202210020002202002
4121023020103203300
5420324222202430
620230104313132
71644556344266
oct311310234360
976683202662
1027030272240
111051097a674
1252a44727a8
13271a04c73a
141445c82436
15a83064845
hex64b2138f0

27030272240 has 40 divisors (see below), whose sum is σ = 62888379648. Its totient is φ = 10804711680.

The previous prime is 27030272239. The next prime is 27030272281. The reversal of 27030272240 is 4227203072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2834 + ... + 232526.

Almost surely, 227030272240 is an apocalyptic number.

27030272240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27030272240 is an abundant number, since it is smaller than the sum of its proper divisors (35858107408).

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

27030272240 is a wasteful number, since it uses less digits than its factorization.

27030272240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231177 (or 231171 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 27030272240 in words is "twenty-seven billion, thirty million, two hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1471 2942 5884 7355 11768 14710 23536 29420 58840 117680 229693 459386 918772 1148465 1837544 2296930 3675088 4593860 9187720 18375440 337878403 675756806 1351513612 1689392015 2703027224 3378784030 5406054448 6757568060 13515136120 27030272240