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51225950406330 = 2325781311032391
BaseRepresentation
bin10111010010110111110001…
…00100111100011010111010
320201101011010120010121022200
423221123320210330122322
523203241221301000310
6300540513213131030
713534644543063360
oct1351337044743272
9221334116117280
1051225950406330
111535a892601587
1258b3b23189a76
132277781408bab
14c914c63d7630
155dc787ba49c0
hex2e96f893c6ba

51225950406330 has 48 divisors (see below), whose sum is σ = 152214252637824. Its totient is φ = 11708788664160.

The previous prime is 51225950406283. The next prime is 51225950406349. The reversal of 51225950406330 is 3360405952215.

51225950406330 is a `hidden beast` number, since 5 + 1 + 2 + 2 + 5 + 9 + 5 + 0 + 4 + 0 + 633 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40655515566 + ... + 40655516825.

It is an arithmetic number, because the mean of its divisors is an integer number (3171130263288).

Almost surely, 251225950406330 is an apocalyptic number.

51225950406330 is an abundant number, since it is smaller than the sum of its proper divisors (100988302231494).

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

51225950406330 is a wasteful number, since it uses less digits than its factorization.

51225950406330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81311032411 (or 81311032408 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 51225950406330 in words is "fifty-one trillion, two hundred twenty-five billion, nine hundred fifty million, four hundred six thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 81311032391 162622064782 243933097173 406555161955 487866194346 569177226737 731799291519 813110323910 1138354453474 1219665485865 1463598583038 1707531680211 2439330971730 2845886133685 3415063360422 3658996457595 5122595040633 5691772267370 7317992915190 8537658401055 10245190081266 17075316802110 25612975203165 51225950406330