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20441505051 = 3211206479849
BaseRepresentation
bin10011000010011010…
…001001110100011011
31221202121022001022200
4103002122021310123
5313331011130201
613220220221243
71322362632432
oct230232116433
957677261280
1020441505051
11873a773330
123b6599a823
131c09cbbb26
14dbcbb2119
157e98cc386
hex4c2689d1b

20441505051 has 12 divisors (see below), whose sum is σ = 32210856600. Its totient is φ = 12388790880.

The previous prime is 20441505037. The next prime is 20441505061. The reversal of 20441505051 is 15050514402.

20441505051 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 150 + 505 + 1 = 666.

It is not a de Polignac number, because 20441505051 - 29 = 20441504539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20441505061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103239826 + ... + 103240023.

It is an arithmetic number, because the mean of its divisors is an integer number (2684238050).

Almost surely, 220441505051 is an apocalyptic number.

20441505051 is a deficient number, since it is larger than the sum of its proper divisors (11769351549).

20441505051 is a wasteful number, since it uses less digits than its factorization.

20441505051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206479866 (or 206479863 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 20441505051 in words is "twenty billion, four hundred forty-one million, five hundred five thousand, fifty-one".

Divisors: 1 3 9 11 33 99 206479849 619439547 1858318641 2271278339 6813835017 20441505051