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51142376954 = 2247310340149
BaseRepresentation
bin101111101000010100…
…101011110111111010
311220000012101221012102
4233220110223313322
51314214422030304
635254450343402
73460233013544
oct575024536772
9156005357172
1051142376954
111a7645a1839
129ab358ab62
134a9063a116
142692340694
1514e4cebd1e
hexbe852bdfa

51142376954 has 8 divisors (see below), whose sum is σ = 76744593300. Its totient is φ = 25560845856.

The previous prime is 51142376951. The next prime is 51142376959. The reversal of 51142376954 is 45967324115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49749072025 + 1393304929 = 223045^2 + 37327^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51142376899 and 51142376908.

It is not an unprimeable number, because it can be changed into a prime (51142376951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5165129 + ... + 5175020.

Almost surely, 251142376954 is an apocalyptic number.

51142376954 is a deficient number, since it is larger than the sum of its proper divisors (25602216346).

51142376954 is a wasteful number, since it uses less digits than its factorization.

51142376954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342624.

The product of its digits is 907200, while the sum is 47.

The spelling of 51142376954 in words is "fifty-one billion, one hundred forty-two million, three hundred seventy-six thousand, nine hundred fifty-four".

Divisors: 1 2 2473 4946 10340149 20680298 25571188477 51142376954