Search a number
-
+
2072170106965 = 57283209204453
BaseRepresentation
bin11110001001110110111…
…101101001000001010101
321100002122002122010221201
4132021312331221001111
5232422301021410330
64223535232512501
7302465210202130
oct36116675510125
97302562563851
102072170106965
11729891005392
122957256ab731
13120535474c8a
14724177a1217
1538d7dda2eca
hex1e276f69055

2072170106965 has 16 divisors (see below), whose sum is σ = 2851875116928. Its totient is φ = 1415895731136.

The previous prime is 2072170106959. The next prime is 2072170107041. The reversal of 2072170106965 is 5696010712702.

It is a cyclic number.

It is not a de Polignac number, because 2072170106965 - 29 = 2072170106453 is a prime.

It is a super-2 number, since 2×20721701069652 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104592322 + ... + 104612131.

It is an arithmetic number, because the mean of its divisors is an integer number (178242194808).

Almost surely, 22072170106965 is an apocalyptic number.

It is an amenable number.

2072170106965 is a deficient number, since it is larger than the sum of its proper divisors (779705009963).

2072170106965 is a wasteful number, since it uses less digits than its factorization.

2072170106965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209204748.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 2072170106965 in words is "two trillion, seventy-two billion, one hundred seventy million, one hundred six thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 283 1415 1981 9905 209204453 1046022265 1464431171 7322155855 59204860199 296024300995 414434021393 2072170106965