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2080132994 = 21040066497
BaseRepresentation
bin111101111111100…
…0100111110000010
312100222010201000202
41323333010332002
513230003223434
6542224245202
7102355560452
oct17377047602
95328121022
102080132994
119781a9785
124a0770802
13271c53134
1415a397d62
15c2940a7e
hex7bfc4f82

2080132994 has 4 divisors (see below), whose sum is σ = 3120199494. Its totient is φ = 1040066496.

The previous prime is 2080132993. The next prime is 2080132997. The reversal of 2080132994 is 4992310802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4992310802 = 22496155401.

It can be written as a sum of positive squares in only one way, i.e., 2079816025 + 316969 = 45605^2 + 563^2 .

It is not an unprimeable number, because it can be changed into a prime (2080132993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520033247 + ... + 520033250.

Almost surely, 22080132994 is an apocalyptic number.

2080132994 is a deficient number, since it is larger than the sum of its proper divisors (1040066500).

2080132994 is a wasteful number, since it uses less digits than its factorization.

2080132994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040066499.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2080132994 is about 45608.4750238374. The cubic root of 2080132994 is about 1276.5280654350.

The spelling of 2080132994 in words is "two billion, eighty million, one hundred thirty-two thousand, nine hundred ninety-four".

Divisors: 1 2 1040066497 2080132994