Search a number
-
+
49072121447 = 379509254377
BaseRepresentation
bin101101101100111011…
…010010011001100111
311200122220212001112112
4231230323102121213
51300444430341242
634313213511235
73355024102316
oct555473223147
9150586761475
1049072121447
11198a1a2a178
1296161a251b
134820764b6b
1425373d827d
1514231acc82
hexb6ced2667

49072121447 has 8 divisors (see below), whose sum is σ = 49298456400. Its totient is φ = 48846297024.

The previous prime is 49072121437. The next prime is 49072121459. The reversal of 49072121447 is 74412127094.

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 49072121447 - 230 = 47998379623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49072121407) 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, 65723 + ... + 320099.

It is an arithmetic number, because the mean of its divisors is an integer number (6162307050).

Almost surely, 249072121447 is an apocalyptic number.

49072121447 is a deficient number, since it is larger than the sum of its proper divisors (226334953).

49072121447 is a wasteful number, since it uses less digits than its factorization.

49072121447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255265.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 49072121447 in words is "forty-nine billion, seventy-two million, one hundred twenty-one thousand, four hundred forty-seven".

Divisors: 1 379 509 192911 254377 96408883 129477893 49072121447