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2135428557 = 31017047619
BaseRepresentation
bin111111101001000…
…0000110111001101
312111211012000021120
41333102000313031
513333132203212
6551521351153
7103626562143
oct17722006715
95454160246
102135428557
119a6437099
124b71984b9
132805439c2
1416386d593
15c771488c
hex7f480dcd

2135428557 has 8 divisors (see below), whose sum is σ = 2875428960. Its totient is φ = 1409523600.

The previous prime is 2135428553. The next prime is 2135428573. The reversal of 2135428557 is 7558245312.

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

It is not a de Polignac number, because 2135428557 - 22 = 2135428553 is a prime.

It is a super-2 number, since 2×21354285572 = 9120110244102204498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135428553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523507 + ... + 3524112.

It is an arithmetic number, because the mean of its divisors is an integer number (359428620).

Almost surely, 22135428557 is an apocalyptic number.

It is an amenable number.

2135428557 is a deficient number, since it is larger than the sum of its proper divisors (740000403).

2135428557 is a wasteful number, since it uses less digits than its factorization.

2135428557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047723.

The product of its digits is 336000, while the sum is 42.

The square root of 2135428557 is about 46210.6974303570. The cubic root of 2135428557 is about 1287.7404824554.

The spelling of 2135428557 in words is "two billion, one hundred thirty-five million, four hundred twenty-eight thousand, five hundred fifty-seven".

Divisors: 1 3 101 303 7047619 21142857 711809519 2135428557