Search a number
-
+
8572421141 = 29419705491
BaseRepresentation
bin1111111101111010…
…01100010000010101
3211010102112010002022
413332331030100111
5120024014434031
63534344422525
7422301243314
oct77675142025
924112463068
108572421141
1136a99a9979
1217b2a77a45
13a68003a5b
145b471227b
153528bb97b
hex1fef4c415

8572421141 has 8 divisors (see below), whose sum is σ = 8889199200. Its totient is φ = 8257054960.

The previous prime is 8572421101. The next prime is 8572421147. The reversal of 8572421141 is 1411242758.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8572421141 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 (8572421147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340595 + ... + 364896.

It is an arithmetic number, because the mean of its divisors is an integer number (1111149900).

Almost surely, 28572421141 is an apocalyptic number.

It is an amenable number.

8572421141 is a deficient number, since it is larger than the sum of its proper divisors (316778059).

8572421141 is a wasteful number, since it uses less digits than its factorization.

8572421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705939.

The product of its digits is 17920, while the sum is 35.

The square root of 8572421141 is about 92587.3703104262. The cubic root of 8572421141 is about 2046.6072089799.

Adding to 8572421141 its reverse (1411242758), we get a palindrome (9983663899).

The spelling of 8572421141 in words is "eight billion, five hundred seventy-two million, four hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 29 419 12151 705491 20459239 295600729 8572421141