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2471242653 = 321122269277
BaseRepresentation
bin1001001101001100…
…0010101110011101
320101020002010121200
42103103002232131
520030114231103
61045115150113
7115145134035
oct22323025635
96336063550
102471242653
111058a52200
1258b745339
13304ca0c79
141962c68c5
15e6e4a0a3
hex934c2b9d

2471242653 has 18 divisors (see below), whose sum is σ = 3923581662. Its totient is φ = 1497722160.

The previous prime is 2471242639. The next prime is 2471242661. The reversal of 2471242653 is 3562421742.

2471242653 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2116184004 + 355058649 = 46002^2 + 18843^2 .

It is not a de Polignac number, because 2471242653 - 29 = 2471242141 is a prime.

It is a super-2 number, since 2×24712426532 = 12214080500012956818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471242633) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1133550 + ... + 1135727.

It is an arithmetic number, because the mean of its divisors is an integer number (217976759).

Almost surely, 22471242653 is an apocalyptic number.

It is an amenable number.

2471242653 is a deficient number, since it is larger than the sum of its proper divisors (1452339009).

2471242653 is a wasteful number, since it uses less digits than its factorization.

2471242653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269305 (or 2269291 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 2471242653 is about 49711.5947541416. The cubic root of 2471242653 is about 1351.9847628866.

Subtracting 2471242653 from its reverse (3562421742), we obtain a square (1091179089 = 330332).

The spelling of 2471242653 in words is "two billion, four hundred seventy-one million, two hundred forty-two thousand, six hundred fifty-three".

Divisors: 1 3 9 11 33 99 121 363 1089 2269277 6807831 20423493 24962047 74886141 224658423 274582517 823747551 2471242653