[go: up one dir, main page]

Search a number
-
+
2680761215 = 51152193553
BaseRepresentation
bin1001111111001001…
…0010101101111111
320220211022210001102
42133302102231333
520442233324330
61122002003315
7123301044236
oct23762225577
96824283042
102680761215
111156246640
1262994653b
1333950b952
141b6065b1d
1510a534945
hex9fc92b7f

2680761215 has 16 divisors (see below), whose sum is σ = 3516133536. Its totient is φ = 1945881600.

The previous prime is 2680761199. The next prime is 2680761269. The reversal of 2680761215 is 5121670862.

It is not a de Polignac number, because 2680761215 - 24 = 2680761199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18122 + ... + 75431.

It is an arithmetic number, because the mean of its divisors is an integer number (219758346).

Almost surely, 22680761215 is an apocalyptic number.

2680761215 is a deficient number, since it is larger than the sum of its proper divisors (835372321).

2680761215 is a wasteful number, since it uses less digits than its factorization.

2680761215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94090.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2680761215 is about 51776.0679754653. The cubic root of 2680761215 is about 1389.1614104015.

The spelling of 2680761215 in words is "two billion, six hundred eighty million, seven hundred sixty-one thousand, two hundred fifteen".

Divisors: 1 5 11 55 521 2605 5731 28655 93553 467765 1029083 5145415 48741113 243705565 536152243 2680761215