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100030122100 = 22522036949109
BaseRepresentation
bin101110100101001000…
…0101000100001110100
3100120012021022201000001
41131022100220201310
53114330202401400
6113541520401044
710140561003016
oct1351220504164
9316167281001
10100030122100
113947143a2a7
1217477a76184
139581b2817c
144bad0621b6
152906bd9a6a
hex174a428874

100030122100 has 36 divisors (see below), whose sum is σ = 217080441900. Its totient is φ = 40009269760.

The previous prime is 100030122097. The next prime is 100030122103. The reversal of 100030122100 is 1221030001.

It is an interprime number because it is at equal distance from previous prime (100030122097) and next prime (100030122103).

It can be written as a sum of positive squares in 6 ways, for example, as 4917094884 + 95113027216 = 70122^2 + 308404^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030122103) 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, 2012346 + ... + 2061454.

It is an arithmetic number, because the mean of its divisors is an integer number (6030012275).

Almost surely, 2100030122100 is an apocalyptic number.

100030122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100030122100 is an abundant number, since it is smaller than the sum of its proper divisors (117050319800).

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

100030122100 is a wasteful number, since it uses less digits than its factorization.

100030122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69492 (or 69485 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100030122100 its reverse (1221030001), we get a palindrome (101251152101).

The spelling of 100030122100 in words is "one hundred billion, thirty million, one hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20369 40738 49109 81476 98218 101845 196436 203690 245545 407380 491090 509225 982180 1018450 1227725 2036900 2455450 4910900 1000301221 2000602442 4001204884 5001506105 10003012210 20006024420 25007530525 50015061050 100030122100