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51124324401044 = 2212781081100261
BaseRepresentation
bin10111001111111010011110…
…01100011111111110010100
320201000102211001212122010222
423213331033030133332110
523200110104021313134
6300422105043133512
713524416263224566
oct1347751714377624
9221012731778128
1051124324401044
1115320782352664
1258982a0974298
13226b006a89a5b
14c8a605433336
155d9cdad30a2e
hex2e7f4f31ff94

51124324401044 has 6 divisors (see below), whose sum is σ = 89467567701834. Its totient is φ = 25562162200520.

The previous prime is 51124324401023. The next prime is 51124324401061. The reversal of 51124324401044 is 44010442342115.

It can be written as a sum of positive squares in only one way, i.e., 49575145885444 + 1549178515600 = 7040962^2 + 1244660^2 .

It is a super-2 number, since 2×511243244010442 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51124324400995 and 51124324401013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6390540550127 + ... + 6390540550134.

It is an arithmetic number, because the mean of its divisors is an integer number (14911261283639).

Almost surely, 251124324401044 is an apocalyptic number.

It is an amenable number.

51124324401044 is a deficient number, since it is larger than the sum of its proper divisors (38343243300790).

51124324401044 is a wasteful number, since it uses less digits than its factorization.

51124324401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781081100265 (or 12781081100263 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 51124324401044 its reverse (44010442342115), we get a palindrome (95134766743159).

The spelling of 51124324401044 in words is "fifty-one trillion, one hundred twenty-four billion, three hundred twenty-four million, four hundred one thousand, forty-four".

Divisors: 1 2 4 12781081100261 25562162200522 51124324401044