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554200040221 = 6141149220789
BaseRepresentation
bin10000001000010001110…
…01011000001100011101
31221222111011011000220121
420010020321120030131
533040000202241341
61102332422114541
755016410421332
oct10041071301435
91858434130817
10554200040221
111a4042524973
128b4a857ba51
13403510ab8a9
141cb7569a989
15e6390b44d1
hex8108e5831d

554200040221 has 8 divisors (see below), whose sum is σ = 563301527000. Its totient is φ = 545099077440.

The previous prime is 554200040203. The next prime is 554200040227. The reversal of 554200040221 is 122040002455.

It can be written as a sum of positive squares in 4 ways, for example, as 494395225 + 553705644996 = 22235^2 + 744114^2 .

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 554200040221 - 29 = 554200039709 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 (554200040227) 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, 2399695 + ... + 2620483.

It is an arithmetic number, because the mean of its divisors is an integer number (70412690875).

Almost surely, 2554200040221 is an apocalyptic number.

It is an amenable number.

554200040221 is a deficient number, since it is larger than the sum of its proper divisors (9101486779).

554200040221 is a wasteful number, since it uses less digits than its factorization.

554200040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261999.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 554200040221 its reverse (122040002455), we get a palindrome (676240042676).

The spelling of 554200040221 in words is "five hundred fifty-four billion, two hundred million, forty thousand, two hundred twenty-one".

Divisors: 1 61 41149 220789 2510089 13468129 9085246561 554200040221