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100010222220 = 223579101317659
BaseRepresentation
bin101110100100100010…
…0101110001010001100
3100120010212212200111110
41131021010232022030
53114310104102340
6113535530052020
710140226601616
oct1351104561214
9316125780443
10100010222220
1139461188217
121747127a010
13957a97b4ac
144baa561db6
1529050a8680
hex174912e28c

100010222220 has 192 divisors, whose sum is σ = 287720294400. Its totient is φ = 25949414400.

The previous prime is 100010222219. The next prime is 100010222281. The reversal of 100010222220 is 22222010001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100010222196 and 100010222205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151760251 + ... + 151760909.

It is an arithmetic number, because the mean of its divisors is an integer number (1498543200).

Almost surely, 2100010222220 is an apocalyptic number.

100010222220 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 100010222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143860147200).

100010222220 is an abundant number, since it is smaller than the sum of its proper divisors (187710072180).

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

100010222220 is a wasteful number, since it uses less digits than its factorization.

100010222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100010222220 its reverse (22222010001), we get a palindrome (122232232221).

The spelling of 100010222220 in words is "one hundred billion, ten million, two hundred twenty-two thousand, two hundred twenty".