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20016045377 = 791371849399
BaseRepresentation
bin10010101001000011…
…001001110101000001
31220122221201110100222
4102221003021311001
5311443101423002
613110101152425
71306005402266
oct225103116501
956587643328
1020016045377
118541599169
123a673bb715
131b6cb05043
14d7c4a126d
157c238a1a2
hex4a90c9d41

20016045377 has 8 divisors (see below), whose sum is σ = 20417376000. Its totient is φ = 19618413984.

The previous prime is 20016045347. The next prime is 20016045397. The reversal of 20016045377 is 77354061002.

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 20016045377 - 210 = 20016044353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20016045317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913877 + ... + 935522.

It is an arithmetic number, because the mean of its divisors is an integer number (2552172000).

Almost surely, 220016045377 is an apocalyptic number.

It is an amenable number.

20016045377 is a deficient number, since it is larger than the sum of its proper divisors (401330623).

20016045377 is a wasteful number, since it uses less digits than its factorization.

20016045377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849615.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 20016045377 in words is "twenty billion, sixteen million, forty-five thousand, three hundred seventy-seven".

Divisors: 1 79 137 10823 1849399 146102521 253367663 20016045377