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272275731920 = 24519400144771
BaseRepresentation
bin1111110110010011100…
…1011111010111010000
3222000210100211021200102
43331210321133113100
513430110041410140
6325025353511532
725446150351413
oct3754471372720
9860710737612
10272275731920
11a5520609355
12449287125a8
131c8a209295a
14d26d049b7a
157138760e15
hex3f64e5f5d0

272275731920 has 80 divisors (see below), whose sum is σ = 666540463680. Its totient is φ = 103150080000.

The previous prime is 272275731919. The next prime is 272275731941. The reversal of 272275731920 is 29137572272.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6059135 + ... + 6103905.

It is an arithmetic number, because the mean of its divisors is an integer number (8331755796).

Almost surely, 2272275731920 is an apocalyptic number.

272275731920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272275731920 is an abundant number, since it is smaller than the sum of its proper divisors (394264731760).

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

272275731920 is a wasteful number, since it uses less digits than its factorization.

272275731920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48804 (or 48798 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 272275731920 in words is "two hundred seventy-two billion, two hundred seventy-five million, seven hundred thirty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 4001 8002 16004 20005 32008 40010 44771 64016 76019 80020 89542 152038 160040 179084 223855 304076 320080 358168 380095 447710 608152 716336 760190 850649 895420 1216304 1520380 1701298 1790840 3040760 3402596 3581680 4253245 6081520 6805192 8506490 13610384 17012980 34025960 68051920 179128771 358257542 716515084 895643855 1433030168 1791287710 2866060336 3403446649 3582575420 6806893298 7165150840 13613786596 14330301680 17017233245 27227573192 34034466490 54455146384 68068932980 136137865960 272275731920