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2345054261449 = 15313572
BaseRepresentation
bin100010001000000000001…
…000000101000011001001
322022011222212022111111011
4202020000020011003021
5301410132342331244
64553145243203521
7331265426222344
oct42100010050311
98264885274434
102345054261449
11824593aa45a9
1231a5a1b165a1
131401a35c2083
148170354745b
1541000c47434
hex222002050c9

2345054261449 has 3 divisors (see below), whose sum is σ = 2345055792807. Its totient is φ = 2345052730092.

The previous prime is 2345054261447. The next prime is 2345054261461. The reversal of 2345054261449 is 9441624505432.

The square root of 2345054261449 is 1531357.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 53863447225 + 2291190814224 = 232085^2 + 1513668^2 .

It is not a de Polignac number, because 2345054261449 - 21 = 2345054261447 is a prime.

It is a super-2 number, since 2×23450542614492 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345054261447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 765679 + ... + 2297035.

It is an arithmetic number, because the mean of its divisors is an integer number (781685264269).

Almost surely, 22345054261449 is an apocalyptic number.

2345054261449 is the 1531357-th square number.

2345054261449 is the 765679-th centered octagonal number.

It is an amenable number.

2345054261449 is a deficient number, since it is larger than the sum of its proper divisors (1531358).

2345054261449 is an frugal number, since it uses more digits than its factorization.

2345054261449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062714 (or 1531357 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

Multiplying 2345054261449 by its sum of digits (49), we get a square (114907658811001 = 107194992).

The spelling of 2345054261449 in words is "two trillion, three hundred forty-five billion, fifty-four million, two hundred sixty-one thousand, four hundred forty-nine".

Divisors: 1 1531357 2345054261449