Search a number
-
+
47811162973 = 7432393112137
BaseRepresentation
bin101100100001110001…
…000111001101011101
311120102001010201200211
4230201301013031131
51240404124203343
633544131052421
73311543115460
oct544161071535
9146361121624
1047811162973
1119305178432
129323a41111
13467c4493a2
142457b5b2d7
15139c63079d
hexb21c4735d

47811162973 has 32 divisors (see below), whose sum is σ = 56352890880. Its totient is φ = 39713708160.

The previous prime is 47811162961. The next prime is 47811162979. The reversal of 47811162973 is 37926111874.

47811162973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-47811162973 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 (47811162979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22371961 + ... + 22374097.

It is an arithmetic number, because the mean of its divisors is an integer number (1761027840).

Almost surely, 247811162973 is an apocalyptic number.

47811162973 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47811162973 is a deficient number, since it is larger than the sum of its proper divisors (8541727907).

47811162973 is a wasteful number, since it uses less digits than its factorization.

47811162973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737.

The product of its digits is 508032, while the sum is 49.

The spelling of 47811162973 in words is "forty-seven billion, eight hundred eleven million, one hundred sixty-two thousand, nine hundred seventy-three".

Divisors: 1 7 43 239 301 311 1673 2137 2177 10277 13373 14959 71939 74329 91891 93611 510743 520303 643237 664607 3196147 3575201 4652249 21961949 22373029 28578101 153733643 158841073 200046707 1111887511 6830166139 47811162973