Search a number
-
+
51029525016 = 233479019967
BaseRepresentation
bin101111100001100110…
…001100001000011000
311212201100001110110000
4233201212030020120
51314002024300031
635235335453000
73454362543261
oct574146141030
9155640043400
1051029525016
111a706922478
129a81827160
134a73146922
142681365968
1514d9e593e6
hexbe198c218

51029525016 has 80 divisors (see below), whose sum is σ = 142962351840. Its totient is φ = 17005982400.

The previous prime is 51029525011. The next prime is 51029525059. The reversal of 51029525016 is 61052592015.

51029525016 is a `hidden beast` number, since 510 + 2 + 95 + 2 + 50 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51029525011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5114865 + ... + 5124831.

It is an arithmetic number, because the mean of its divisors is an integer number (1787029398).

Almost surely, 251029525016 is an apocalyptic number.

It is an amenable number.

51029525016 is an abundant number, since it is smaller than the sum of its proper divisors (91932826824).

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

51029525016 is a wasteful number, since it uses less digits than its factorization.

51029525016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17886 (or 17873 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 51029525016 in words is "fifty-one billion, twenty-nine million, five hundred twenty-five thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 7901 9967 15802 19934 23703 29901 31604 39868 47406 59802 63208 71109 79736 89703 94812 119604 142218 179406 189624 213327 239208 269109 284436 358812 426654 538218 568872 639981 717624 807327 853308 1076436 1279962 1614654 1706616 2152872 2559924 3229308 5119848 6458616 78749267 157498534 236247801 314997068 472495602 629994136 708743403 944991204 1417486806 1889982408 2126230209 2834973612 4252460418 5669947224 6378690627 8504920836 12757381254 17009841672 25514762508 51029525016