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102011300000 = 25551020113
BaseRepresentation
bin101111100000001011…
…0001110100010100000
3100202022100020222011022
41133000112032202200
53132404343100000
6114510252105012
710240635512621
oct1370026164240
9322270228138
10102011300000
113a2987a0605
121792b465168
13980941229c
144d1a21ba48
1529c0ad0585
hex17c058e8a0

102011300000 has 72 divisors (see below), whose sum is σ = 251027612892. Its totient is φ = 40804480000.

The previous prime is 102011299987. The next prime is 102011300009. The reversal of 102011300000 is 3110201.

It can be written as a sum of positive squares in 6 ways, for example, as 3784218256 + 98227081744 = 61516^2 + 313412^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (102011300009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410057 + ... + 610056.

Almost surely, 2102011300000 is an apocalyptic number.

102011300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011300000 is an abundant number, since it is smaller than the sum of its proper divisors (149016312892).

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

102011300000 is an frugal number, since it uses more digits than its factorization.

102011300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020148 (or 1020120 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 102011300000 its reverse (3110201), we get a palindrome (102014410201).

The spelling of 102011300000 in words is "one hundred two billion, eleven million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 1020113 2040226 4080452 5100565 8160904 10201130 16321808 20402260 25502825 32643616 40804520 51005650 81609040 102011300 127514125 163218080 204022600 255028250 408045200 510056500 637570625 816090400 1020113000 1275141250 2040226000 2550282500 3187853125 4080452000 5100565000 6375706250 10201130000 12751412500 20402260000 25502825000 51005650000 102011300000