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4018380490 = 251961346711
BaseRepresentation
bin1110111110000011…
…1001111011001010
3101101001021212202001
43233200321323022
531212201133430
61502423501214
7201402446005
oct35740717312
911331255661
104018380490
1117822a8813
129418b780a
134c0688947
142a197a53c
15187ba63ca
hexef839eca

4018380490 has 32 divisors (see below), whose sum is σ = 7738611840. Its totient is φ = 1497787200.

The previous prime is 4018380481. The next prime is 4018380493. The reversal of 4018380490 is 940838104.

It is a super-2 number, since 2×40183804902 = 32294763524825280200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4018380493) by changing a digit.

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, 161766 + ... + 184945.

It is an arithmetic number, because the mean of its divisors is an integer number (241831620).

Almost surely, 24018380490 is an apocalyptic number.

4018380490 is a deficient number, since it is larger than the sum of its proper divisors (3720231350).

4018380490 is a wasteful number, since it uses less digits than its factorization.

4018380490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346798.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 4018380490 is about 63390.6971881521. The cubic root of 4018380490 is about 1589.8287712976.

The spelling of 4018380490 in words is "four billion, eighteen million, three hundred eighty thousand, four hundred ninety".

Divisors: 1 2 5 10 19 38 61 95 122 190 305 610 1159 2318 5795 11590 346711 693422 1733555 3467110 6587509 13175018 21149371 32937545 42298742 65875090 105746855 211493710 401838049 803676098 2009190245 4018380490