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51033430425 = 352680445739
BaseRepresentation
bin101111100001110101…
…000101100110011001
311212201121101212122210
4233201311011212121
51314004024233200
635235555305333
73454441000305
oct574165054631
9155647355583
1051033430425
111a70904a68a
129a82bab249
134a73bb3413
142681aa0d05
1514da47b650
hexbe1d45999

51033430425 has 12 divisors (see below), whose sum is σ = 84375271760. Its totient is φ = 27217829520.

The previous prime is 51033430379. The next prime is 51033430451. The reversal of 51033430425 is 52403433015.

It is not a de Polignac number, because 51033430425 - 211 = 51033428377 is a prime.

It is a super-2 number, since 2×510334304252 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51033430392 and 51033430401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340222795 + ... + 340222944.

Almost surely, 251033430425 is an apocalyptic number.

It is an amenable number.

51033430425 is a deficient number, since it is larger than the sum of its proper divisors (33341841335).

51033430425 is a wasteful number, since it uses less digits than its factorization.

51033430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680445752 (or 680445747 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 51033430425 in words is "fifty-one billion, thirty-three million, four hundred thirty thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 680445739 2041337217 3402228695 10206686085 17011143475 51033430425