Search a number
-
+
47877907049 = 77196333817
BaseRepresentation
bin101100100101101111…
…101110001001101001
311120120200201200100122
4230211233232021221
51241023221011144
633554513413025
73313313331560
oct544557561151
9146520650318
1047877907049
1119339915225
12934226a175
134690217c1b
142462972bd7
1513a34167ee
hexb25bee269

47877907049 has 8 divisors (see below), whose sum is σ = 55488279168. Its totient is φ = 40460202720.

The previous prime is 47877907043. The next prime is 47877907073. The reversal of 47877907049 is 94070977874.

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

It is a de Polignac number, because none of the positive numbers 2k-47877907049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47877906982 and 47877907000.

It is not an unprimeable number, because it can be changed into a prime (47877907043) 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, 48166412 + ... + 48167405.

It is an arithmetic number, because the mean of its divisors is an integer number (6936034896).

Almost surely, 247877907049 is an apocalyptic number.

It is an amenable number.

47877907049 is a deficient number, since it is larger than the sum of its proper divisors (7610372119).

47877907049 is an equidigital number, since it uses as much as digits as its factorization.

47877907049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96333895.

The product of its (nonzero) digits is 24893568, while the sum is 62.

The spelling of 47877907049 in words is "forty-seven billion, eight hundred seventy-seven million, nine hundred seven thousand, forty-nine".

Divisors: 1 7 71 497 96333817 674336719 6839701007 47877907049