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42774251830 = 255879727577
BaseRepresentation
bin100111110101100010…
…110100100100110110
311002102000022010120021
4213311202310210312
51200100202024310
631352240355354
73042662066362
oct476542644466
9132360263507
1042774251830
111715aa4a552
128359015b5a
134058a65bab
1420dac0c2a2
1511a53375da
hex9f58b4936

42774251830 has 16 divisors (see below), whose sum is σ = 77006855520. Its totient is φ = 17106766912.

The previous prime is 42774251827. The next prime is 42774251831. The reversal of 42774251830 is 3815247724.

It is a super-4 number, since 4×427742518304 (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774251831) 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 7 ways as a sum of consecutive naturals, for example, 304999 + ... + 422578.

It is an arithmetic number, because the mean of its divisors is an integer number (4812928470).

Almost surely, 242774251830 is an apocalyptic number.

42774251830 is a deficient number, since it is larger than the sum of its proper divisors (34232603690).

42774251830 is a wasteful number, since it uses less digits than its factorization.

42774251830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733463.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 42774251830 in words is "forty-two billion, seven hundred seventy-four million, two hundred fifty-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 5879 11758 29395 58790 727577 1455154 3637885 7275770 4277425183 8554850366 21387125915 42774251830