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11879331478 = 27848523677
BaseRepresentation
bin10110001000001000…
…00011011010010110
31010122220001120020221
423010010003122112
5143312102101403
65242435144554
7600244436320
oct130404033226
933586046227
1011879331478
115046633623
12237644515a
131174165531
148099aa610
15497d86dbd
hex2c4103696

11879331478 has 8 divisors (see below), whose sum is σ = 20364568272. Its totient is φ = 5091142056.

The previous prime is 11879331473. The next prime is 11879331517. The reversal of 11879331478 is 87413397811.

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

It is a super-2 number, since 2×118793314782 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11879331473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424261825 + ... + 424261852.

It is an arithmetic number, because the mean of its divisors is an integer number (2545571034).

Almost surely, 211879331478 is an apocalyptic number.

11879331478 is a deficient number, since it is larger than the sum of its proper divisors (8485236794).

11879331478 is an equidigital number, since it uses as much as digits as its factorization.

11879331478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848523686.

The product of its digits is 1016064, while the sum is 52.

The spelling of 11879331478 in words is "eleven billion, eight hundred seventy-nine million, three hundred thirty-one thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 848523677 1697047354 5939665739 11879331478