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2655150421 = 711197922973
BaseRepresentation
bin1001111001000010…
…0110000101010101
320212001010121122111
42132100212011111
520414204303141
61115245031021
7122540256220
oct23620460525
96761117574
102655150421
1111428438a0
12621255471
13334112731
141b28ba5b7
15108176381
hex9e426155

2655150421 has 32 divisors (see below), whose sum is σ = 3528806400. Its totient is φ = 1935161280.

The previous prime is 2655150373. The next prime is 2655150479. The reversal of 2655150421 is 1240515562.

It is a cyclic number.

It is not a de Polignac number, because 2655150421 - 211 = 2655148373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655150481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104091 + ... + 127063.

It is an arithmetic number, because the mean of its divisors is an integer number (110275200).

Almost surely, 22655150421 is an apocalyptic number.

It is an amenable number.

2655150421 is a deficient number, since it is larger than the sum of its proper divisors (873655979).

2655150421 is a wasteful number, since it uses less digits than its factorization.

2655150421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23089.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2655150421 is about 51528.1517328149. The cubic root of 2655150421 is about 1384.7234384601.

Adding to 2655150421 its reverse (1240515562), we get a palindrome (3895665983).

The spelling of 2655150421 in words is "two billion, six hundred fifty-five million, one hundred fifty thousand, four hundred twenty-one".

Divisors: 1 7 11 19 77 79 133 209 553 869 1463 1501 6083 10507 16511 22973 115577 160811 252703 436487 1768921 1814867 3055409 4801357 12704069 19963537 33609499 34482473 139744759 241377311 379307203 2655150421