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100030120000 = 26542500753
BaseRepresentation
bin101110100101001000…
…0101000000001000000
3100120012021022121010021
41131022100220001000
53114330202320000
6113541520343224
710140560663626
oct1351220500100
9316167277107
10100030120000
1139471438768
1217477a74b14
139581b27225
144bad061516
152906bd911a
hex174a428040

100030120000 has 70 divisors (see below), whose sum is σ = 248042286998. Its totient is φ = 40012032000.

The previous prime is 100030119997. The next prime is 100030120051. The reversal of 100030120000 is 21030001.

It can be written as a sum of positive squares in 5 ways, for example, as 24804990016 + 75225129984 = 157496^2 + 274272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1210377 + ... + 1290376.

Almost surely, 2100030120000 is an apocalyptic number.

100030120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100030120000 is an abundant number, since it is smaller than the sum of its proper divisors (148012166998).

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

100030120000 is an frugal number, since it uses more digits than its factorization.

100030120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500785 (or 2500760 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 100030120000 its reverse (21030001), we get a palindrome (100051150001).

The spelling of 100030120000 in words is "one hundred billion, thirty million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 20000 40000 2500753 5001506 10003012 12503765 20006024 25007530 40012048 50015060 62518825 80024096 100030120 125037650 160048192 200060240 250075300 312594125 400120480 500150600 625188250 800240960 1000301200 1250376500 1562970625 2000602400 2500753000 3125941250 4001204800 5001506000 6251882500 10003012000 12503765000 20006024000 25007530000 50015060000 100030120000