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258041313487 = 617159580077
BaseRepresentation
bin1111000001010001110…
…1011111100011001111
3220200001100020220110201
43300110131133203033
513211432034012422
6314313104514331
724433334655256
oct3602435374317
9820040226421
10258041313487
119a48665a081
124201561b9a7
131b444038659
14c6bc79179d
156aa3c75727
hex3c1475f8cf

258041313487 has 8 divisors (see below), whose sum is σ = 265965468192. Its totient is φ = 250236319200.

The previous prime is 258041313433. The next prime is 258041313533. The reversal of 258041313487 is 784313140852.

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

It is not a de Polignac number, because 258041313487 - 27 = 258041313359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258041311487) 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, 29785708 + ... + 29794369.

It is an arithmetic number, because the mean of its divisors is an integer number (33245683524).

Almost surely, 2258041313487 is an apocalyptic number.

258041313487 is a deficient number, since it is larger than the sum of its proper divisors (7924154705).

258041313487 is an equidigital number, since it uses as much as digits as its factorization.

258041313487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59580209.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 258041313487 in words is "two hundred fifty-eight billion, forty-one million, three hundred thirteen thousand, four hundred eighty-seven".

Divisors: 1 61 71 4331 59580077 3634384697 4230185467 258041313487