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2980012949 = 3797862831
BaseRepresentation
bin1011000110011111…
…0110001110010101
321200200102100020222
42301213312032111
522100340403244
61211412004125
7133563456254
oct26147661625
97620370228
102980012949
11129a159921
126b2000645
13386506c94
14203ac279b
15126946bee
hexb19f6395

2980012949 has 4 divisors (see below), whose sum is σ = 2987876160. Its totient is φ = 2972149740.

The previous prime is 2980012933. The next prime is 2980012969. The reversal of 2980012949 is 9492100892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2980012949 - 24 = 2980012933 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 (2980012969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931037 + ... + 3931794.

It is an arithmetic number, because the mean of its divisors is an integer number (746969040).

Almost surely, 22980012949 is an apocalyptic number.

It is an amenable number.

2980012949 is a deficient number, since it is larger than the sum of its proper divisors (7863211).

2980012949 is an equidigital number, since it uses as much as digits as its factorization.

2980012949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863210.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 2980012949 is about 54589.4948593592. The cubic root of 2980012949 is about 1439.0395068935.

The spelling of 2980012949 in words is "two billion, nine hundred eighty million, twelve thousand, nine hundred forty-nine".

Divisors: 1 379 7862831 2980012949