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2220610054531 = 1131668377201
BaseRepresentation
bin100000010100000110101…
…011000110100110000011
321212021210010120210012111
4200110012223012212003
5242340302133221111
64420044552040151
7316301534012431
oct40240653064603
97767703523174
102220610054531
11786834537000
122ba451993057
1313153076738b
1479699c99d51
153cb6aa24a21
hex20506ac6983

2220610054531 has 8 divisors (see below), whose sum is σ = 2442504223728. Its totient is φ = 2018736412000.

The previous prime is 2220610054499. The next prime is 2220610054549. The reversal of 2220610054531 is 1354500160222.

It is not a de Polignac number, because 2220610054531 - 25 = 2220610054499 is a prime.

It is a super-4 number, since 4×22206100545314 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220610054493 and 2220610054502.

It is not an unprimeable number, because it can be changed into a prime (2220610054571) 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, 834187270 + ... + 834189931.

It is an arithmetic number, because the mean of its divisors is an integer number (305313027966).

Almost surely, 22220610054531 is an apocalyptic number.

2220610054531 is a deficient number, since it is larger than the sum of its proper divisors (221894169197).

2220610054531 is an equidigital number, since it uses as much as digits as its factorization.

2220610054531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668377234 (or 1668377212 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 2220610054531 in words is "two trillion, two hundred twenty billion, six hundred ten million, fifty-four thousand, five hundred thirty-one".

Divisors: 1 11 121 1331 1668377201 18352149211 201873641321 2220610054531