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51270736071 = 384697201781
BaseRepresentation
bin101111101111111110…
…010101100011000111
311220100010221020210210
4233233332111203013
51320000302023241
635315313450503
73463352031432
oct575776254307
9156303836723
1051270736071
111a81aaa2955
129b2a570a33
134ab10cca69
1426a53d4819
151501204316
hexbeff958c7

51270736071 has 8 divisors (see below), whose sum is σ = 68362127344. Its totient is φ = 34179917760.

The previous prime is 51270736063. The next prime is 51270736117. The reversal of 51270736071 is 17063707215.

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

It is not a de Polignac number, because 51270736071 - 23 = 51270736063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51270736001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153201 + ... + 354981.

It is an arithmetic number, because the mean of its divisors is an integer number (8545265918).

Almost surely, 251270736071 is an apocalyptic number.

51270736071 is a deficient number, since it is larger than the sum of its proper divisors (17091391273).

51270736071 is a wasteful number, since it uses less digits than its factorization.

51270736071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286481.

The product of its (nonzero) digits is 61740, while the sum is 39.

The spelling of 51270736071 in words is "fifty-one billion, two hundred seventy million, seven hundred thirty-six thousand, seventy-one".

Divisors: 1 3 84697 201781 254091 605343 17090245357 51270736071