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101000100000 = 25355336667
BaseRepresentation
bin101111000010000010…
…0110011100010100000
3100122200212111200112110
41132010010303202200
53123322011200000
6114222050355320
710203606453642
oct1360404634240
9318625450473
10101000100000
1139919a18028
12176a888bb40
1396a7a832a7
144c61bd6892
152961e3a850
hex17841338a0

101000100000 has 144 divisors (see below), whose sum is σ = 331386352416. Its totient is φ = 26933280000.

The previous prime is 101000099983. The next prime is 101000100007. The reversal of 101000100000 is 1000101.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (101000100007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131667 + ... + 468333.

It is an arithmetic number, because the mean of its divisors is an integer number (2301294114).

Almost surely, 2101000100000 is an apocalyptic number.

101000100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101000100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165693176208).

101000100000 is an abundant number, since it is smaller than the sum of its proper divisors (230386252416).

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

101000100000 is an frugal number, since it uses more digits than its factorization.

101000100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336705 (or 336677 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 3.

Adding to 101000100000 its reverse (1000101), we get a palindrome (101001100101).

The spelling of 101000100000 in words is "one hundred one billion, one hundred thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 625 750 800 1000 1200 1250 1500 1875 2000 2400 2500 3000 3125 3750 4000 5000 6000 6250 7500 9375 10000 12000 12500 15000 18750 20000 25000 30000 37500 50000 60000 75000 100000 150000 300000 336667 673334 1010001 1346668 1683335 2020002 2693336 3366670 4040004 5050005 5386672 6733340 8080008 8416675 10100010 10773344 13466680 16160016 16833350 20200020 25250025 26933360 32320032 33666700 40400040 42083375 50500050 53866720 67333400 80800080 84166750 101000100 126250125 134666800 161600160 168333500 202000200 210416875 252500250 269333600 336667000 404000400 420833750 505000500 631250625 673334000 808000800 841667500 1010001000 1052084375 1262501250 1346668000 1683335000 2020002000 2104168750 2525002500 3156253125 3366670000 4040004000 4208337500 5050005000 6312506250 6733340000 8416675000 10100010000 12625012500 16833350000 20200020000 25250025000 33666700000 50500050000 101000100000