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51200250419 = 571753711897
BaseRepresentation
bin101111101011110001…
…011101001000110011
311220011020022012200002
4233223301131020303
51314324231003134
635304315020215
73461534643053
oct575361351063
9156136265602
1051200250419
111a79422aa4a
129b0aa3a66b
134a9c621186
142699cc7563
1514e9e2e87e
hexbebc5d233

51200250419 has 8 divisors (see below), whose sum is σ = 51301034928. Its totient is φ = 51099505920.

The previous prime is 51200250407. The next prime is 51200250427. The reversal of 51200250419 is 91405200215.

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

It is a cyclic number.

It is not a de Polignac number, because 51200250419 - 216 = 51200184883 is a prime.

It is a super-2 number, since 2×512002504192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51200250391 and 51200250400.

It is not an unprimeable number, because it can be changed into a prime (51200250449) 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, 4297679 + ... + 4309575.

It is an arithmetic number, because the mean of its divisors is an integer number (6412629366).

Almost surely, 251200250419 is an apocalyptic number.

51200250419 is a deficient number, since it is larger than the sum of its proper divisors (100784509).

51200250419 is a wasteful number, since it uses less digits than its factorization.

51200250419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20005.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 51200250419 in words is "fifty-one billion, two hundred million, two hundred fifty thousand, four hundred nineteen".

Divisors: 1 571 7537 11897 4303627 6793187 89667689 51200250419