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50512342122 = 23411151187721
BaseRepresentation
bin101111000010110001…
…010010110001101010
311211101021212211220000
4233002301102301222
51311422124421442
635112142443430
73435512552364
oct570261226152
9154337784800
1050512342122
111a47099a2a0
129958593576
1349bcc56748
1426327b9d34
1514a9849d4c
hexbc2c52c6a

50512342122 has 80 divisors (see below), whose sum is σ = 124292988864. Its totient is φ = 15205320000.

The previous prime is 50512342117. The next prime is 50512342123. The reversal of 50512342122 is 22124321505.

50512342122 is a `hidden beast` number, since 505 + 1 + 2 + 34 + 2 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50512342123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 175222 + ... + 362942.

Almost surely, 250512342122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50512342122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62146494432).

50512342122 is an abundant number, since it is smaller than the sum of its proper divisors (73780646742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50512342122 is a wasteful number, since it uses less digits than its factorization.

50512342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187897 (or 187888 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 50512342122 its reverse (22124321505), we get a palindrome (72636663627).

The spelling of 50512342122 in words is "fifty billion, five hundred twelve million, three hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 151 162 198 297 302 453 594 891 906 1359 1661 1782 2718 3322 4077 4983 8154 9966 12231 14949 24462 29898 44847 89694 134541 187721 269082 375442 563163 1126326 1689489 2064931 3378978 4129862 5068467 6194793 10136934 12389586 15205401 18584379 28345871 30410802 37168758 55753137 56691742 85037613 111506274 167259411 170075226 255112839 311804581 334518822 510225678 623609162 765338517 935413743 1530677034 1870827486 2296015551 2806241229 4592031102 5612482458 8418723687 16837447374 25256171061 50512342122