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51010060147 = 173294855839
BaseRepresentation
bin101111100000011011…
…111011111101110011
311212122222102112122221
4233200123323331303
51313432033411042
635233402341511
73454035233344
oct574033737563
9155588375587
1051010060147
111a6a6938202
129a771ba897
134a6c0bcc57
14267c93a0cb
1514d83b1d67
hexbe06fbf73

51010060147 has 4 divisors (see below), whose sum is σ = 51304916160. Its totient is φ = 50715204136.

The previous prime is 51010060117. The next prime is 51010060177. The reversal of 51010060147 is 74106001015.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74106001015 = 514821200203.

It is an interprime number because it is at equal distance from previous prime (51010060117) and next prime (51010060177).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51010060147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51010060117) 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, 147427747 + ... + 147428092.

It is an arithmetic number, because the mean of its divisors is an integer number (12826229040).

Almost surely, 251010060147 is an apocalyptic number.

51010060147 is a deficient number, since it is larger than the sum of its proper divisors (294856013).

51010060147 is a wasteful number, since it uses less digits than its factorization.

51010060147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294856012.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 51010060147 in words is "fifty-one billion, ten million, sixty thousand, one hundred forty-seven".

Divisors: 1 173 294855839 51010060147