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2044442141 = 72371127657
BaseRepresentation
bin111100111011011…
…1011011000011101
312021110222102101022
41321312323120131
513141334122031
6534511253525
7101443320500
oct17166733035
95243872338
102044442141
1195a041705
1249081a2a5
13267737aa1
14155747137
15be74097b
hex79dbb61d

2044442141 has 12 divisors (see below), whose sum is σ = 2442507228. Its totient is φ = 1705015872.

The previous prime is 2044442137. The next prime is 2044442149. The reversal of 2044442141 is 1412444402.

It can be written as a sum of positive squares in 2 ways, for example, as 1958416516 + 86025625 = 44254^2 + 9275^2 .

It is not a de Polignac number, because 2044442141 - 22 = 2044442137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2044442141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044442149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562016 + ... + 565641.

It is an arithmetic number, because the mean of its divisors is an integer number (203542269).

Almost surely, 22044442141 is an apocalyptic number.

It is an amenable number.

2044442141 is a deficient number, since it is larger than the sum of its proper divisors (398065087).

2044442141 is a wasteful number, since it uses less digits than its factorization.

2044442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127708 (or 1127701 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 2044442141 is about 45215.5077490013. The cubic root of 2044442141 is about 1269.1850313180.

Adding to 2044442141 its reverse (1412444402), we get a palindrome (3456886543).

The spelling of 2044442141 in words is "two billion, forty-four million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 7 37 49 259 1813 1127657 7893599 41723309 55255193 292063163 2044442141