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51441441532 = 22132478319507
BaseRepresentation
bin101111111010001001…
…100001101011111100
311220210001010222200021
4233322021201223330
51320323002112112
635344252341524
73500524016125
oct577211415374
9156701128607
1051441441532
111a8a8397448
129b777748a4
134b0a59b200
1426bdd4d04c
1515111c3907
hexbfa261afc

51441441532 has 72 divisors (see below), whose sum is σ = 100758663936. Its totient is φ = 22955909184.

The previous prime is 51441441517. The next prime is 51441441539. The reversal of 51441441532 is 23514414415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441441539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2627323 + ... + 2646829.

It is an arithmetic number, because the mean of its divisors is an integer number (1399425888).

Almost surely, 251441441532 is an apocalyptic number.

51441441532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51441441532 is a deficient number, since it is larger than the sum of its proper divisors (49317222404).

51441441532 is a wasteful number, since it uses less digits than its factorization.

51441441532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19667 (or 19652 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 51441441532 its reverse (23514414415), we get a palindrome (74955855947).

The spelling of 51441441532 in words is "fifty-one billion, four hundred forty-one million, four hundred forty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 47 52 83 94 166 169 188 332 338 611 676 1079 1222 2158 2444 3901 4316 7802 7943 14027 15604 15886 19507 28054 31772 39014 50713 56108 78028 101426 202852 253591 507182 659269 916829 1014364 1318538 1619081 1833658 2637076 3238162 3296683 3667316 6476324 6593366 11918777 13186732 21048053 23837554 42096106 47675108 76096807 84192212 152193614 154944101 273624689 304387228 309888202 547249378 619776404 989258491 1094498756 1978516982 3957033964 12860360383 25720720766 51441441532