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51141031542 = 23223891189271
BaseRepresentation
bin101111101000001111…
…100011011001110110
311220000002212120122100
4233220033203121312
51314214101002132
635254401442530
73460215411216
oct575017433166
9156002776570
1051141031542
111a763862a27
129ab3040446
134a90288913
1426920b0246
1514e4b3337c
hexbe83e3676

51141031542 has 24 divisors (see below), whose sum is σ = 110852043120. Its totient is φ = 17039860560.

The previous prime is 51141031493. The next prime is 51141031567. The reversal of 51141031542 is 24513014115.

51141031542 is a `hidden beast` number, since 5 + 1 + 14 + 103 + 1 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 551634 + ... + 637637.

It is an arithmetic number, because the mean of its divisors is an integer number (4618835130).

Almost surely, 251141031542 is an apocalyptic number.

51141031542 is an abundant number, since it is smaller than the sum of its proper divisors (59711011578).

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

51141031542 is a wasteful number, since it uses less digits than its factorization.

51141031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191668 (or 1191665 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 51141031542 its reverse (24513014115), we get a palindrome (75654045657).

The spelling of 51141031542 in words is "fifty-one billion, one hundred forty-one million, thirty-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 2389 4778 7167 14334 21501 43002 1189271 2378542 3567813 7135626 10703439 21406878 2841168419 5682336838 8523505257 17047010514 25570515771 51141031542