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101144230400 = 29527901893
BaseRepresentation
bin101111000110010101…
…0100111101000000000
3100200001220201021021102
41132030222213220000
53124120410333100
6114244235513532
710210306526123
oct1361452475000
9320056637242
10101144230400
1139993310364
1217728bb88a8
1396cb8a8655
144c76dd43ba
15296e90acd5
hex178caa7a00

101144230400 has 60 divisors (see below), whose sum is σ = 250592764422. Its totient is φ = 40457687040.

The previous prime is 101144230391. The next prime is 101144230423. The reversal of 101144230400 is 4032441101.

It can be written as a sum of positive squares in 3 ways, for example, as 52342118656 + 48802111744 = 228784^2 + 220912^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3938147 + ... + 3963746.

Almost surely, 2101144230400 is an apocalyptic number.

101144230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101144230400 is an abundant number, since it is smaller than the sum of its proper divisors (149448534022).

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

101144230400 is an frugal number, since it uses more digits than its factorization.

101144230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901921 (or 7901900 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101144230400 its reverse (4032441101), we get a palindrome (105176671501).

The spelling of 101144230400 in words is "one hundred one billion, one hundred forty-four million, two hundred thirty thousand, four 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 7901893 15803786 31607572 39509465 63215144 79018930 126430288 158037860 197547325 252860576 316075720 395094650 505721152 632151440 790189300 1011442304 1264302880 1580378600 2022884608 2528605760 3160757200 4045769216 5057211520 6321514400 10114423040 12643028800 20228846080 25286057600 50572115200 101144230400