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7420764494 = 2111339765357
BaseRepresentation
bin1101110100100111…
…11110000101001110
3201011011110220011102
412322103332011032
5110144203430434
63224204423102
7351615312623
oct67223760516
921134426142
107420764494
113168912220
121531247a92
13913537910
145057a834a
152d673007e
hex1ba4fe14e

7420764494 has 32 divisors (see below), whose sum is σ = 13110291936. Its totient is φ = 3105717120.

The previous prime is 7420764487. The next prime is 7420764521. The reversal of 7420764494 is 4944670247.

It is a super-2 number, since 2×74207644942 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80864 + ... + 146220.

It is an arithmetic number, because the mean of its divisors is an integer number (409696623).

Almost surely, 27420764494 is an apocalyptic number.

7420764494 is a deficient number, since it is larger than the sum of its proper divisors (5689527442).

7420764494 is a wasteful number, since it uses less digits than its factorization.

7420764494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65780.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The square root of 7420764494 is about 86143.8592936258. The cubic root of 7420764494 is about 1950.5161459902.

The spelling of 7420764494 in words is "seven billion, four hundred twenty million, seven hundred sixty-four thousand, four hundred ninety-four".

Divisors: 1 2 11 13 22 26 143 286 397 794 4367 5161 8734 10322 56771 65357 113542 130714 718927 849641 1437854 1699282 9346051 18692102 25946729 51893458 285414019 337307477 570828038 674614954 3710382247 7420764494