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51061160984 = 23107151395039
BaseRepresentation
bin101111100011011110…
…110111110000011000
311212210112120201211112
4233203132313300120
51314033124122414
635242425515452
73455225464361
oct574336676030
9155715521745
1051061160984
111a72276aaa9
129a90342b88
134a79872432
14268563cb68
1514dcb07d3e
hexbe37b7c18

51061160984 has 32 divisors (see below), whose sum is σ = 97274649600. Its totient is φ = 25124416800.

The previous prime is 51061160947. The next prime is 51061160987. The reversal of 51061160984 is 48906116015.

It is a super-2 number, since 2×510611609842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061160987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68264 + ... + 326775.

It is an arithmetic number, because the mean of its divisors is an integer number (3039832800).

Almost surely, 251061160984 is an apocalyptic number.

It is an amenable number.

51061160984 is a deficient number, since it is larger than the sum of its proper divisors (46213488616).

51061160984 is a wasteful number, since it uses less digits than its factorization.

51061160984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395303 (or 395299 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

Adding to 51061160984 its reverse (48906116015), we get a palindrome (99967276999).

The spelling of 51061160984 in words is "fifty-one billion, sixty-one million, one hundred sixty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 107 151 214 302 428 604 856 1208 16157 32314 64628 129256 395039 790078 1580156 3160312 42269173 59650889 84538346 119301778 169076692 238603556 338153384 477207112 6382645123 12765290246 25530580492 51061160984