Search a number
-
+
49548776061 = 3197312793763
BaseRepresentation
bin101110001001010101…
…100101001001111101
311201220010202121202010
4232021111211021331
51302433441313221
634432402121433
73402602435031
oct561125451175
9151803677663
1049548776061
111a016aa0904
129729950279
134898434c05
1425808341c1
15144ee63c76
hexb8956527d

49548776061 has 32 divisors (see below), whose sum is σ = 71050608640. Its totient is φ = 30621919104.

The previous prime is 49548776009. The next prime is 49548776089. The reversal of 49548776061 is 16067784594.

It is not a de Polignac number, because 49548776061 - 27 = 49548775933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49548775992 and 49548776010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49548772061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481566 + ... + 575328.

It is an arithmetic number, because the mean of its divisors is an integer number (2220331520).

Almost surely, 249548776061 is an apocalyptic number.

It is an amenable number.

49548776061 is a deficient number, since it is larger than the sum of its proper divisors (21501832579).

49548776061 is a wasteful number, since it uses less digits than its factorization.

49548776061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93985.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 49548776061 in words is "forty-nine billion, five hundred forty-eight million, seven hundred seventy-six thousand, sixty-one".

Divisors: 1 3 19 57 73 127 219 381 1387 2413 4161 7239 9271 27813 93763 176149 281289 528447 1781497 5344491 6844699 11907901 20534097 35723703 130049281 226250119 390147843 678750357 869276773 2607830319 16516258687 49548776061