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58216717642 = 229108358821
BaseRepresentation
bin110110001101111111…
…001001110101001010
312120021020000200020111
4312031333021311022
51423211434431032
642424442144534
74130443635526
oct661577116512
9176236020214
1058216717642
1122764901696
12b3487b214a
13564a171525
142b63accd86
1517aadecc47
hexd8dfc9d4a

58216717642 has 4 divisors (see below), whose sum is σ = 87325076466. Its totient is φ = 29108358820.

The previous prime is 58216717631. The next prime is 58216717729. The reversal of 58216717642 is 24671761285.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24671761285 = 54934352257.

It can be written as a sum of positive squares in only one way, i.e., 52624818801 + 5591898841 = 229401^2 + 74779^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554179409 + ... + 14554179412.

Almost surely, 258216717642 is an apocalyptic number.

58216717642 is a deficient number, since it is larger than the sum of its proper divisors (29108358824).

58216717642 is a wasteful number, since it uses less digits than its factorization.

58216717642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29108358823.

The product of its digits is 1128960, while the sum is 49.

The spelling of 58216717642 in words is "fifty-eight billion, two hundred sixteen million, seven hundred seventeen thousand, six hundred forty-two".

Divisors: 1 2 29108358821 58216717642