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5666544157 = 31971884451
BaseRepresentation
bin1010100011100000…
…01001101000011101
3112121220121021020211
411101300021220131
543101113403112
62334141412421
7260264554621
oct52160115035
915556537224
105666544157
11244868654a
12112186a111
136c3c86011
143ba80b181
1523271b0a7
hex151c09a1d

5666544157 has 8 divisors (see below), whose sum is σ = 5909641472. Its totient is φ = 5427216000.

The previous prime is 5666544101. The next prime is 5666544161. The reversal of 5666544157 is 7514456665.

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 5666544157 - 211 = 5666542109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5666544157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666544197) 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, 939219 + ... + 945232.

It is an arithmetic number, because the mean of its divisors is an integer number (738705184).

Almost surely, 25666544157 is an apocalyptic number.

It is an amenable number.

5666544157 is a deficient number, since it is larger than the sum of its proper divisors (243097315).

5666544157 is a wasteful number, since it uses less digits than its factorization.

5666544157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884579.

The product of its digits is 3024000, while the sum is 49.

The square root of 5666544157 is about 75276.4515436268. The cubic root of 5666544157 is about 1782.8142324646.

The spelling of 5666544157 in words is "five billion, six hundred sixty-six million, five hundred forty-four thousand, one hundred fifty-seven".

Divisors: 1 31 97 3007 1884451 58417981 182791747 5666544157