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2061490415 = 5412298083
BaseRepresentation
bin111101011011111…
…1101100011101111
312022200001120012212
41322313331203233
513210220143130
6540320521035
7102041244065
oct17267754357
95280046185
102061490415
11968726296
1249648017b
1326b12681a
14157b04035
15c0eabe95
hex7adfd8ef

2061490415 has 4 divisors (see below), whose sum is σ = 2473788504. Its totient is φ = 1649192328.

The previous prime is 2061490411. The next prime is 2061490427. The reversal of 2061490415 is 5140941602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5140941602 = 22570470801.

It is a cyclic number.

It is not a de Polignac number, because 2061490415 - 22 = 2061490411 is a prime.

It is a super-2 number, since 2×20614904152 = 8499485462273744450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061490411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206149037 + ... + 206149046.

It is an arithmetic number, because the mean of its divisors is an integer number (618447126).

Almost surely, 22061490415 is an apocalyptic number.

2061490415 is a deficient number, since it is larger than the sum of its proper divisors (412298089).

2061490415 is an equidigital number, since it uses as much as digits as its factorization.

2061490415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412298088.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2061490415 is about 45403.6387858947. The cubic root of 2061490415 is about 1272.7031136980.

The spelling of 2061490415 in words is "two billion, sixty-one million, four hundred ninety thousand, four hundred fifteen".

Divisors: 1 5 412298083 2061490415