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50478290421 = 3132115386351
BaseRepresentation
bin101111000000101111…
…011001010111110101
311211021220210211201220
4233000233121113311
51311334420243141
635104524540553
73434620250316
oct570057312765
9154256724656
1050478290421
111a453751799
1299490b1759
1349b5b93500
14262c07460d
1514a6870766
hexbc0bd95f5

50478290421 has 24 divisors (see below), whose sum is σ = 72943952256. Its totient is φ = 31036262400.

The previous prime is 50478290411. The next prime is 50478290431. The reversal of 50478290421 is 12409287405.

It is an interprime number because it is at equal distance from previous prime (50478290411) and next prime (50478290431).

It is not a de Polignac number, because 50478290421 - 25 = 50478290389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478290411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541396 + ... + 627746.

It is an arithmetic number, because the mean of its divisors is an integer number (3039331344).

Almost surely, 250478290421 is an apocalyptic number.

It is an amenable number.

50478290421 is a deficient number, since it is larger than the sum of its proper divisors (22465661835).

50478290421 is a wasteful number, since it uses less digits than its factorization.

50478290421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87533 (or 87520 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 50478290421 in words is "fifty billion, four hundred seventy-eight million, two hundred ninety thousand, four hundred twenty-one".

Divisors: 1 3 13 39 169 507 1153 3459 14989 44967 86351 194857 259053 584571 1122563 3367689 14593319 43779957 99562703 298688109 1294315139 3882945417 16826096807 50478290421