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2849969020 = 225142999719
BaseRepresentation
bin1010100111011111…
…0001001101111100
321100121201102112011
42221313301031330
521314043002040
61150444421004
7130424223403
oct25167611574
97317642464
102849969020
1112328079a8
12676547764
133655a4502
141d071063a
1511a30a3ea
hexa9df137c

2849969020 has 24 divisors (see below), whose sum is σ = 5989183200. Its totient is φ = 1139178432.

The previous prime is 2849968991. The next prime is 2849969021. The reversal of 2849969020 is 209699482.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2849969021) 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 in 7 ways as a sum of consecutive naturals, for example, 21280 + ... + 78439.

It is an arithmetic number, because the mean of its divisors is an integer number (249549300).

Almost surely, 22849969020 is an apocalyptic number.

2849969020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2849969020 is an abundant number, since it is smaller than the sum of its proper divisors (3139214180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2849969020 is a wasteful number, since it uses less digits than its factorization.

2849969020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101157 (or 101155 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 2849969020 is about 53385.1011050836. The cubic root of 2849969020 is about 1417.7948017544.

The spelling of 2849969020 in words is "two billion, eight hundred forty-nine million, nine hundred sixty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 1429 2858 5716 7145 14290 28580 99719 199438 398876 498595 997190 1994380 142498451 284996902 569993804 712492255 1424984510 2849969020