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58239380881 = 1120747255193
BaseRepresentation
bin110110001111010101…
…100110110110010001
312120022210200002100201
4312033111212312101
51423233240142011
642431012015201
74131140366233
oct661725466621
9176283602321
1058239380881
1122776680940
12b354301501
135651a77c26
142b66b0c253
1517acdc7cc1
hexd8f566d91

58239380881 has 8 divisors (see below), whose sum is σ = 63537181344. Its totient is φ = 52942132320.

The previous prime is 58239380813. The next prime is 58239380893. The reversal of 58239380881 is 18808393285.

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

It is not a de Polignac number, because 58239380881 - 215 = 58239348113 is a prime.

It is a super-2 number, since 2×582393808812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58239380281) 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, 100621 + ... + 355813.

It is an arithmetic number, because the mean of its divisors is an integer number (7942147668).

Almost surely, 258239380881 is an apocalyptic number.

It is an amenable number.

58239380881 is a deficient number, since it is larger than the sum of its proper divisors (5297800463).

58239380881 is a wasteful number, since it uses less digits than its factorization.

58239380881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275951.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 58239380881 in words is "fifty-eight billion, two hundred thirty-nine million, three hundred eighty thousand, eight hundred eighty-one".

Divisors: 1 11 20747 228217 255193 2807123 5294489171 58239380881