Search a number
-
+
86744973876 = 22311798318467
BaseRepresentation
bin101000011001001100…
…1110100001000110100
322021220101222020201020
41100302121310020310
52410123203131001
6103503341501140
76160423053321
oct1206231641064
9267811866636
1086744973876
1133874304860
121498a8717b0
138245658712
1442ac8abb48
1523ca70e736
hex1432674234

86744973876 has 48 divisors (see below), whose sum is σ = 223600419840. Its totient is φ = 25953613920.

The previous prime is 86744973793. The next prime is 86744973881. The reversal of 86744973876 is 67837944768.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86744973876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4148806 + ... + 4169661.

It is an arithmetic number, because the mean of its divisors is an integer number (4658342080).

Almost surely, 286744973876 is an apocalyptic number.

It is an amenable number.

86744973876 is an abundant number, since it is smaller than the sum of its proper divisors (136855445964).

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

86744973876 is a wasteful number, since it uses less digits than its factorization.

86744973876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318564 (or 8318562 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 69.

The spelling of 86744973876 in words is "eighty-six billion, seven hundred forty-four million, nine hundred seventy-three thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 79 132 158 237 316 474 869 948 1738 2607 3476 5214 10428 8318467 16636934 24955401 33273868 49910802 91503137 99821604 183006274 274509411 366012548 549018822 657158893 1098037644 1314317786 1971476679 2628635572 3942953358 7228747823 7885906716 14457495646 21686243469 28914991292 43372486938 86744973876