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51045454342 = 283307502737
BaseRepresentation
bin101111100010100010…
…111101001000000110
311212202110000202101001
4233202202331020012
51314020114014332
635241105123514
73454645126411
oct574242751006
9155673022331
1051045454342
111a714912403
129a8702959a
134a7653326c
142683510b78
1514db5540e7
hexbe28bd206

51045454342 has 8 divisors (see below), whose sum is σ = 77490689976. Its totient is φ = 25215224352.

The previous prime is 51045454333. The next prime is 51045454423. The reversal of 51045454342 is 24345454015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153751203 + ... + 153751534.

It is an arithmetic number, because the mean of its divisors is an integer number (9686336247).

Almost surely, 251045454342 is an apocalyptic number.

51045454342 is a deficient number, since it is larger than the sum of its proper divisors (26445235634).

51045454342 is a wasteful number, since it uses less digits than its factorization.

51045454342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307502822.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 51045454342 in words is "fifty-one billion, forty-five million, four hundred fifty-four thousand, three hundred forty-two".

Divisors: 1 2 83 166 307502737 615005474 25522727171 51045454342