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7850444485 = 513791528811
BaseRepresentation
bin1110100111110110…
…00100011011000101
3202021002222220022011
413103323010123011
5112034203210420
63334554134221
7365353451152
oct72373043305
922232886264
107850444485
11336940a154
121631121371
1398156b630
14546897229
1530e30795a
hex1d3ec46c5

7850444485 has 16 divisors (see below), whose sum is σ = 10273616640. Its totient is φ = 5723864640.

The previous prime is 7850444477. The next prime is 7850444521. The reversal of 7850444485 is 5844440587.

It is a happy number.

It is not a de Polignac number, because 7850444485 - 23 = 7850444477 is a prime.

It is a super-2 number, since 2×78504444852 (a number of 21 digits) contains 22 as substring.

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, 759271 + ... + 769540.

It is an arithmetic number, because the mean of its divisors is an integer number (642101040).

Almost surely, 27850444485 is an apocalyptic number.

It is an amenable number.

7850444485 is a deficient number, since it is larger than the sum of its proper divisors (2423172155).

7850444485 is a wasteful number, since it uses less digits than its factorization.

7850444485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528908.

The product of its (nonzero) digits is 2867200, while the sum is 49.

The square root of 7850444485 is about 88602.7340718107. The cubic root of 7850444485 is about 1987.4585609545.

The spelling of 7850444485 in words is "seven billion, eight hundred fifty million, four hundred forty-four thousand, four hundred eighty-five".

Divisors: 1 5 13 65 79 395 1027 5135 1528811 7644055 19874543 99372715 120776069 603880345 1570088897 7850444485