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51372313546072 = 2331207146425589
BaseRepresentation
bin10111010111001000011001…
…00000000000110101011000
320201220010220212012110211011
423223210030200000311120
523213140444231433242
6301132040503143304
713551345551202451
oct1353441440006530
9221803825173734
1051372313546072
111540696a7a57a2
12591836ba44b34
13228850837081c
14c9860cb62128
155e14a2340d17
hex2eb90c800d58

51372313546072 has 16 divisors (see below), whose sum is σ = 99430284283200. Its totient is φ = 24857571070560.

The previous prime is 51372313546069. The next prime is 51372313546091. The reversal of 51372313546072 is 27064531327315.

It is a super-2 number, since 2×513723135460722 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103573212547 + ... + 103573213042.

It is an arithmetic number, because the mean of its divisors is an integer number (6214392767700).

Almost surely, 251372313546072 is an apocalyptic number.

It is an amenable number.

51372313546072 is a deficient number, since it is larger than the sum of its proper divisors (48057970737128).

51372313546072 is a wasteful number, since it uses less digits than its factorization.

51372313546072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207146425626 (or 207146425622 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 51372313546072 in words is "fifty-one trillion, three hundred seventy-two billion, three hundred thirteen million, five hundred forty-six thousand, seventy-two".

Divisors: 1 2 4 8 31 62 124 248 207146425589 414292851178 828585702356 1657171404712 6421539193259 12843078386518 25686156773036 51372313546072