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20755727074 = 217638995549
BaseRepresentation
bin10011010101001000…
…110100001011100010
31222120111120011220101
4103111020310023202
5320001431231244
613311323133014
71333226524555
oct232510641342
958514504811
1020755727074
118891080a55
12403307416a
131c5a129114
14100c80869c
1581729a0d4
hex4d52342e2

20755727074 has 16 divisors (see below), whose sum is σ = 32970483000. Its totient is φ = 9765769984.

The previous prime is 20755727029. The next prime is 20755727093. The reversal of 20755727074 is 47072755702.

20755727074 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14675626449 + 6080100625 = 121143^2 + 77975^2 .

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, 169452 + ... + 265000.

Almost surely, 220755727074 is an apocalyptic number.

20755727074 is a deficient number, since it is larger than the sum of its proper divisors (12214755926).

20755727074 is a wasteful number, since it uses less digits than its factorization.

20755727074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101957.

The product of its (nonzero) digits is 960400, while the sum is 46.

The spelling of 20755727074 in words is "twenty billion, seven hundred fifty-five million, seven hundred twenty-seven thousand, seventy-four".

Divisors: 1 2 17 34 6389 12778 95549 108613 191098 217226 1624333 3248666 610462561 1220925122 10377863537 20755727074