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20049158773 = 718115824119
BaseRepresentation
bin10010101011000001…
…011110001001110101
31220202021000210102001
4102223001132021311
5312030041040043
613113243015301
71306560015640
oct225301361165
956667023361
1020049158773
118559255806
123a7650a531
131b7692a177
14d82a40a57
157c522b74d
hex4ab05e275

20049158773 has 8 divisors (see below), whose sum is σ = 23039918720. Its totient is φ = 17090047440.

The previous prime is 20049158747. The next prime is 20049158791. The reversal of 20049158773 is 37785194002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20049158773 - 25 = 20049158741 is a prime.

It is a super-5 number, since 5×200491587735 (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20049156773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910793 + ... + 7913326.

It is an arithmetic number, because the mean of its divisors is an integer number (2879989840).

Almost surely, 220049158773 is an apocalyptic number.

It is an amenable number.

20049158773 is a deficient number, since it is larger than the sum of its proper divisors (2990759947).

20049158773 is a wasteful number, since it uses less digits than its factorization.

20049158773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824307.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 20049158773 in words is "twenty billion, forty-nine million, one hundred fifty-eight thousand, seven hundred seventy-three".

Divisors: 1 7 181 1267 15824119 110768833 2864165539 20049158773