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11976280490 = 251197628049
BaseRepresentation
bin10110010011101011…
…11000100110101010
31010220122111002022002
423021311320212222
5144011411433430
65300221131002
7602532463436
oct131165704652
933818432262
1011976280490
115096330879
1223a29b9a62
13118b27b405
148188059c6
154a1637845
hex2c9d789aa

11976280490 has 8 divisors (see below), whose sum is σ = 21557304900. Its totient is φ = 4790512192.

The previous prime is 11976280489. The next prime is 11976280517. The reversal of 11976280490 is 9408267911.

It can be written as a sum of positive squares in 2 ways, for example, as 10854097489 + 1122183001 = 104183^2 + 33499^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598814015 + ... + 598814034.

Almost surely, 211976280490 is an apocalyptic number.

11976280490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11976280490 is a deficient number, since it is larger than the sum of its proper divisors (9581024410).

11976280490 is a wasteful number, since it uses less digits than its factorization.

11976280490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197628056.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 11976280490 in words is "eleven billion, nine hundred seventy-six million, two hundred eighty thousand, four hundred ninety".

Divisors: 1 2 5 10 1197628049 2395256098 5988140245 11976280490