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48631121477 = 109574438361
BaseRepresentation
bin101101010010101001…
…000000011001000101
311122112012000221022022
4231102221000121011
51244044031341402
634201341412525
73341060466161
oct552251003105
9148465027268
1048631121477
1119696000394
12951256a145
134780299833
1424d49ddca1
1513e95eb2a2
hexb52a40645

48631121477 has 4 divisors (see below), whose sum is σ = 48635570796. Its totient is φ = 48626672160.

The previous prime is 48631121453. The next prime is 48631121479. The reversal of 48631121477 is 77412113684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26072883841 + 22558237636 = 161471^2 + 150194^2 .

It is a cyclic number.

It is not a de Polignac number, because 48631121477 - 210 = 48631120453 is a prime.

It is a super-2 number, since 2×486311214772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48631121479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208224 + ... + 2230137.

It is an arithmetic number, because the mean of its divisors is an integer number (12158892699).

Almost surely, 248631121477 is an apocalyptic number.

It is an amenable number.

48631121477 is a deficient number, since it is larger than the sum of its proper divisors (4449319).

48631121477 is a wasteful number, since it uses less digits than its factorization.

48631121477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449318.

The product of its digits is 225792, while the sum is 44.

The spelling of 48631121477 in words is "forty-eight billion, six hundred thirty-one million, one hundred twenty-one thousand, four hundred seventy-seven".

Divisors: 1 10957 4438361 48631121477