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50001542231 = 2310720317571
BaseRepresentation
bin101110100100010100…
…101111110001010111
311210001200201112011112
4232210110233301113
51304400343322411
634545334325235
73420041045024
oct564424576127
9153050645145
1050001542231
111a229626823
1298354b981b
13493b18c9a4
1425c4a1254b
151479a9bb8b
hexba452fc57

50001542231 has 8 divisors (see below), whose sum is σ = 52663146624. Its totient is φ = 47380573240.

The previous prime is 50001542203. The next prime is 50001542243. The reversal of 50001542231 is 13224510005.

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 50001542231 - 210 = 50001541207 is a prime.

It is a super-2 number, since 2×500015422312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50001542197 and 50001542206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50006542231) 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, 10156325 + ... + 10161246.

It is an arithmetic number, because the mean of its divisors is an integer number (6582893328).

Almost surely, 250001542231 is an apocalyptic number.

50001542231 is a deficient number, since it is larger than the sum of its proper divisors (2661604393).

50001542231 is a wasteful number, since it uses less digits than its factorization.

50001542231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317701.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 50001542231 in words is "fifty billion, one million, five hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 23 107 2461 20317571 467304133 2173980097 50001542231