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2040510045 = 35719433429
BaseRepresentation
bin111100110011111…
…1011011001011101
312021012120122120010
41321213323121131
513134332310140
6534251113433
7101365022610
oct17147733135
95235518503
102040510045
119578a6442
1248b442879
1326698c0c2
14155002177
15be215880
hex799fb65d

2040510045 has 16 divisors (see below), whose sum is σ = 3731218560. Its totient is φ = 932804544.

The previous prime is 2040510019. The next prime is 2040510047. The reversal of 2040510045 is 5400150402.

It is not a de Polignac number, because 2040510045 - 25 = 2040510013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040510047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9716610 + ... + 9716819.

It is an arithmetic number, because the mean of its divisors is an integer number (233201160).

Almost surely, 22040510045 is an apocalyptic number.

It is an amenable number.

2040510045 is a deficient number, since it is larger than the sum of its proper divisors (1690708515).

2040510045 is a wasteful number, since it uses less digits than its factorization.

2040510045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433444.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2040510045 is about 45172.0051027182. The cubic root of 2040510045 is about 1268.3708303565.

Adding to 2040510045 its reverse (5400150402), we get a palindrome (7440660447).

The spelling of 2040510045 in words is "two billion, forty million, five hundred ten thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 105 19433429 58300287 97167145 136034003 291501435 408102009 680170015 2040510045