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1850750738929 = 13604232
BaseRepresentation
bin11010111011101001010…
…101110010000111110001
320112221010000000211022001
4122323221111302013301
5220310314142121204
63534120111214001
7250466220501031
oct32735125620761
96487100024261
101850750738929
116539985a7a34
1225a830817301
131056a96aab41
1465810ac38c1
15332202944a4
hex1aee95721f1

1850750738929 has 3 divisors (see below), whose sum is σ = 1850752099353. Its totient is φ = 1850749378506.

The previous prime is 1850750738923. The next prime is 1850750738933. The reversal of 1850750738929 is 9298370570581.

The square root of 1850750738929 is 1360423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2k-1850750738929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1850750738923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 680212 + ... + 2040634.

It is an arithmetic number, because the mean of its divisors is an integer number (616917366451).

Almost surely, 21850750738929 is an apocalyptic number.

1850750738929 is the 1360423-rd square number.

1850750738929 is the 680212-nd centered octagonal number.

It is an amenable number.

1850750738929 is a deficient number, since it is larger than the sum of its proper divisors (1360424).

1850750738929 is an frugal number, since it uses more digits than its factorization.

1850750738929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720846 (or 1360423 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 64.

Multiplying 1850750738929 by its sum of digits (64), we get a square (118448047291456 = 108833842).

The spelling of 1850750738929 in words is "one trillion, eight hundred fifty billion, seven hundred fifty million, seven hundred thirty-eight thousand, nine hundred twenty-nine".

Divisors: 1 1360423 1850750738929