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20152225043 = 132421152183
BaseRepresentation
bin10010110001001010…
…101000110100010011
31221000102222002202022
4102301022220310103
5312232432200133
613131404042055
71312251041456
oct226112506423
957012862668
1020152225043
118601450a45
123aa4b3332b
131b920a5522
14d925cd49d
157ce2d9998
hex4b12a8d13

20152225043 has 4 divisors (see below), whose sum is σ = 20152509648. Its totient is φ = 20151940440.

The previous prime is 20152225013. The next prime is 20152225061. The reversal of 20152225043 is 34052225102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20152225043 - 26 = 20152224979 is a prime.

It is a super-2 number, since 2×201522250432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20152225013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56330 + ... + 208512.

It is an arithmetic number, because the mean of its divisors is an integer number (5038127412).

Almost surely, 220152225043 is an apocalyptic number.

20152225043 is a deficient number, since it is larger than the sum of its proper divisors (284605).

20152225043 is a wasteful number, since it uses less digits than its factorization.

20152225043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284604.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20152225043 in words is "twenty billion, one hundred fifty-two million, two hundred twenty-five thousand, forty-three".

Divisors: 1 132421 152183 20152225043