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5421052057 = 311514312687
BaseRepresentation
bin1010000110001111…
…01011000010011001
3111222210122222101211
411003013223002121
542100242131212
62253531543121
7251224116331
oct50307530231
914883588354
105421052057
112332051713
1210735baaa1
13685161415
14395d860c1
1521adc79a7
hex1431eb099

5421052057 has 16 divisors (see below), whose sum is σ = 5648154624. Its totient is φ = 5197410000.

The previous prime is 5421052037. The next prime is 5421052093. The reversal of 5421052057 is 7502501245.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5421052057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421052037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016168 + ... + 2018854.

It is an arithmetic number, because the mean of its divisors is an integer number (353009664).

Almost surely, 25421052057 is an apocalyptic number.

It is an amenable number.

5421052057 is a deficient number, since it is larger than the sum of its proper divisors (227102567).

5421052057 is a wasteful number, since it uses less digits than its factorization.

5421052057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 5421052057 is about 73627.7940522463. The cubic root of 5421052057 is about 1756.6875602431.

The spelling of 5421052057 in words is "five billion, four hundred twenty-one million, fifty-two thousand, fifty-seven".

Divisors: 1 31 151 431 2687 4681 13361 65081 83297 405737 1158097 2017511 12577847 35901007 174872647 5421052057