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2045713973 = 27716574457
BaseRepresentation
bin111100111101111…
…0001111000110101
312021120101001000012
41321323301320311
513142200321343
6534554430005
7101460165452
oct17173617065
95246331005
102045713973
1195a830206
12491132305
13267a91954
14155998829
15be8e2718
hex79ef1e35

2045713973 has 8 divisors (see below), whose sum is σ = 2054799192. Its totient is φ = 2036641536.

The previous prime is 2045713951. The next prime is 2045714017. The reversal of 2045713973 is 3793175402.

It can be written as a sum of positive squares in 4 ways, for example, as 102050404 + 1943663569 = 10102^2 + 44087^2 .

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 2045713973 - 212 = 2045709877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045713973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045713913) 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, 456761 + ... + 461217.

It is an arithmetic number, because the mean of its divisors is an integer number (256849899).

Almost surely, 22045713973 is an apocalyptic number.

It is an amenable number.

2045713973 is a deficient number, since it is larger than the sum of its proper divisors (9085219).

2045713973 is a wasteful number, since it uses less digits than its factorization.

2045713973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 2045713973 is about 45229.5696751583. The cubic root of 2045713973 is about 1269.4481602331.

The spelling of 2045713973 in words is "two billion, forty-five million, seven hundred thirteen thousand, nine hundred seventy-three".

Divisors: 1 277 1657 4457 458989 1234589 7385249 2045713973