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51020542202 = 2731117558853
BaseRepresentation
bin101111100001000011…
…111011000011111010
311212200201011002100012
4233201003323003322
51313442224322302
635234415141522
73454223311310
oct574103730372
9155621132305
1051020542202
111a701847563
129a7a8148a2
134a71320056
1426800a80b0
1514d9282a52
hexbe10fb0fa

51020542202 has 16 divisors (see below), whose sum is σ = 90285199872. Its totient is φ = 21160593360.

The previous prime is 51020542159. The next prime is 51020542211. The reversal of 51020542202 is 20224502015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58778993 + ... + 58779860.

It is an arithmetic number, because the mean of its divisors is an integer number (5642824992).

Almost surely, 251020542202 is an apocalyptic number.

51020542202 is a deficient number, since it is larger than the sum of its proper divisors (39264657670).

51020542202 is a wasteful number, since it uses less digits than its factorization.

51020542202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117558893.

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 51020542202 in words is "fifty-one billion, twenty million, five hundred forty-two thousand, two hundred two".

Divisors: 1 2 7 14 31 62 217 434 117558853 235117706 822911971 1645823942 3644324443 7288648886 25510271101 51020542202