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100001010220 = 2255000050511
BaseRepresentation
bin101110100100010000…
…1100101001000101100
3100120010020112200000021
41131020201211020230
53114300224311340
6113535000411524
710140055363516
oct1351041451054
9316106480007
10100001010220
1139456a660a1
121746a176ba4
139578aa44c7
144ba9244bb6
152904388e4a
hex174886522c

100001010220 has 12 divisors (see below), whose sum is σ = 210002121504. Its totient is φ = 40000404080.

The previous prime is 100001010217. The next prime is 100001010229. The reversal of 100001010220 is 22010100001.

It is not an unprimeable number, because it can be changed into a prime (100001010229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500025236 + ... + 2500025275.

It is an arithmetic number, because the mean of its divisors is an integer number (17500176792).

Almost surely, 2100001010220 is an apocalyptic number.

100001010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001010220 is an abundant number, since it is smaller than the sum of its proper divisors (110001111284).

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

100001010220 is a wasteful number, since it uses less digits than its factorization.

100001010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000050520 (or 5000050518 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100001010220 its reverse (22010100001), we get a palindrome (122011110221).

The spelling of 100001010220 in words is "one hundred billion, one million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5000050511 10000101022 20000202044 25000252555 50000505110 100001010220