Search a number
-
+
2049763857 = 31096268391
BaseRepresentation
bin111101000101100…
…1110101000010001
312021211222210101220
41322023032220101
513144214420412
6535221315253
7101536463631
oct17213165021
95254883356
102049763857
11962046a19
12492565b29
1326887c12b
141563306c1
15bee4268c
hex7a2cea11

2049763857 has 8 divisors (see below), whose sum is σ = 2758092480. Its totient is φ = 1353972240.

The previous prime is 2049763847. The next prime is 2049763883. The reversal of 2049763857 is 7583679402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2049763857 - 211 = 2049761809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2049763847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133869 + ... + 3134522.

It is an arithmetic number, because the mean of its divisors is an integer number (344761560).

Almost surely, 22049763857 is an apocalyptic number.

It is an amenable number.

2049763857 is a deficient number, since it is larger than the sum of its proper divisors (708328623).

2049763857 is a wasteful number, since it uses less digits than its factorization.

2049763857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268503.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 2049763857 is about 45274.3178523984. The cubic root of 2049763857 is about 1270.2853135818.

The spelling of 2049763857 in words is "two billion, forty-nine million, seven hundred sixty-three thousand, eight hundred fifty-seven".

Divisors: 1 3 109 327 6268391 18805173 683254619 2049763857