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51054230212 = 221931672811151
BaseRepresentation
bin101111100011000100…
…011011101011000100
311212210001112121121021
4233203010123223010
51314024340331322
635242021200524
73455112540136
oct574304335304
9155701477537
1051054230212
111a719866897
129a89b60144
134a782b689b
142684757056
1514dc1d94c7
hexbe311bac4

51054230212 has 96 divisors (see below), whose sum is σ = 98966568960. Its totient is φ = 22952160000.

The previous prime is 51054230191. The next prime is 51054230219. The reversal of 51054230212 is 21203245015.

51054230212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51054230219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44355837 + ... + 44356987.

It is an arithmetic number, because the mean of its divisors is an integer number (1030901760).

Almost surely, 251054230212 is an apocalyptic number.

It is an amenable number.

51054230212 is a deficient number, since it is larger than the sum of its proper divisors (47912338748).

51054230212 is a wasteful number, since it uses less digits than its factorization.

51054230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51054230212 its reverse (21203245015), we get a palindrome (72257475227).

The spelling of 51054230212 in words is "fifty-one billion, fifty-four million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 19 31 38 62 67 76 124 134 268 281 562 589 1124 1151 1178 1273 2077 2302 2356 2546 4154 4604 5092 5339 8308 8711 10678 17422 18827 21356 21869 34844 35681 37654 39463 43738 71362 75308 77117 78926 87476 142724 154234 157852 165509 308468 323431 331018 357713 583637 646862 662036 677939 715426 1167274 1293724 1355878 1430852 1465223 2334548 2390627 2711756 2930446 4781254 5860892 6145189 9562508 10026361 11089103 12290378 20052722 21669877 22178206 24580756 40105444 43339754 44356412 45421913 86679508 90843826 181687652 190500859 381001718 411727663 671766187 762003436 823455326 1343532374 1646910652 2687064748 12763557553 25527115106 51054230212