Search a number
-
+
47633871852 = 223672333621
BaseRepresentation
bin101100010111001100…
…110011001111101100
311112221200112102000000
4230113030303033230
51240023232344402
633514355104300
73304261141650
oct542714631754
9145850472000
1047633871852
1119224095a46
1292945a2090
1346517b34b8
14243c3aaa60
15138bcaec1c
hexb173333ec

47633871852 has 84 divisors (see below), whose sum is σ = 142836335376. Its totient is φ = 13609671840.

The previous prime is 47633871851. The next prime is 47633871869. The reversal of 47633871852 is 25817833674.

It is a happy number.

47633871852 is a `hidden beast` number, since 476 + 33 + 87 + 18 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×476338718522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (47633871851) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1146399 + ... + 1187222.

It is an arithmetic number, because the mean of its divisors is an integer number (1700432564).

Almost surely, 247633871852 is an apocalyptic number.

47633871852 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47633871852 is an abundant number, since it is smaller than the sum of its proper divisors (95202463524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47633871852 is a wasteful number, since it uses less digits than its factorization.

47633871852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333650 (or 2333633 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 47633871852 in words is "forty-seven billion, six hundred thirty-three million, eight hundred seventy-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 729 756 972 1134 1458 1701 2268 2916 3402 5103 6804 10206 20412 2333621 4667242 7000863 9334484 14001726 16335347 21002589 28003452 32670694 42005178 49006041 63007767 65341388 84010356 98012082 126015534 147018123 189023301 196024164 252031068 294036246 378046602 441054369 567069903 588072492 756093204 882108738 1134139806 1323163107 1701209709 1764217476 2268279612 2646326214 3402419418 3969489321 5292652428 6804838836 7938978642 11908467963 15877957284 23816935926 47633871852