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49146612481 = 891249442121
BaseRepresentation
bin101101110001010111…
…011100101100000001
311200212010000121000201
4231301113130230001
51301123013044411
634324434245201
73356620212331
oct556127345401
9150763017021
1049146612481
111992aa8840a
129637126801
1348330168b5
1425432690c1
1514299c43c1
hexb715dcb01

49146612481 has 8 divisors (see below), whose sum is σ = 49738725000. Its totient is φ = 48555386880.

The previous prime is 49146612479. The next prime is 49146612517. The reversal of 49146612481 is 18421664194.

49146612481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12184627456 + 36961985025 = 110384^2 + 192255^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49146612481 - 21 = 49146612479 is a prime.

It is a super-2 number, since 2×491466124812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49146616481) 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, 109900 + ... + 332221.

It is an arithmetic number, because the mean of its divisors is an integer number (6217340625).

Almost surely, 249146612481 is an apocalyptic number.

It is an amenable number.

49146612481 is a deficient number, since it is larger than the sum of its proper divisors (592112519).

49146612481 is a wasteful number, since it uses less digits than its factorization.

49146612481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443459.

The product of its digits is 331776, while the sum is 46.

The spelling of 49146612481 in words is "forty-nine billion, one hundred forty-six million, six hundred twelve thousand, four hundred eighty-one".

Divisors: 1 89 1249 111161 442121 39348769 552209129 49146612481