Search a number
-
+
86951027200 = 29526793049
BaseRepresentation
bin101000011111010101…
…1110110001000000000
322022102202200211201211
41100332223312020000
52411033430332300
6103540022135504
76165504352012
oct1207653661000
9268382624654
1086951027200
113396a651764
1214a27881594
13827925206b
1442cbdc81b2
1523dd8624ba
hex143eaf6200

86951027200 has 60 divisors (see below), whose sum is σ = 215427994650. Its totient is φ = 34780405760.

The previous prime is 86951027123. The next prime is 86951027203. The reversal of 86951027200 is 272015968.

It can be written as a sum of positive squares in 3 ways, for example, as 34667460864 + 52283566336 = 186192^2 + 228656^2 .

It is a super-3 number, since 3×869510272003 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (86951027203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3383725 + ... + 3409324.

Almost surely, 286951027200 is an apocalyptic number.

86951027200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86951027200 is an abundant number, since it is smaller than the sum of its proper divisors (128476967450).

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

86951027200 is an equidigital number, since it uses as much as digits as its factorization.

86951027200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793077 (or 6793056 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 86951027200 in words is "eighty-six billion, nine hundred fifty-one million, twenty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1280 1600 2560 3200 6400 12800 6793049 13586098 27172196 33965245 54344392 67930490 108688784 135860980 169826225 217377568 271721960 339652450 434755136 543443920 679304900 869510272 1086887840 1358609800 1739020544 2173775680 2717219600 3478041088 4347551360 5434439200 8695102720 10868878400 17390205440 21737756800 43475513600 86951027200