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100010220122 = 250005110061
BaseRepresentation
bin101110100100100010…
…0101101101001011010
3100120010212212120121202
41131021010231221122
53114310104020442
6113535530034202
710140226562531
oct1351104555132
9316125776552
10100010220122
113946118668a
1217471278962
13957a97a557
144baa561318
1529050a7c32
hex174912da5a

100010220122 has 4 divisors (see below), whose sum is σ = 150015330186. Its totient is φ = 50005110060.

The previous prime is 100010220083. The next prime is 100010220127. The reversal of 100010220122 is 221022010001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221022010001 = 1317001693077.

It can be written as a sum of positive squares in only one way, i.e., 99501762721 + 508457401 = 315439^2 + 22549^2 .

It is a super-5 number, since 5×1000102201225 (a number of 56 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (100010220127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002555029 + ... + 25002555032.

Almost surely, 2100010220122 is an apocalyptic number.

100010220122 is a deficient number, since it is larger than the sum of its proper divisors (50005110064).

100010220122 is an equidigital number, since it uses as much as digits as its factorization.

100010220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50005110063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100010220122 its reverse (221022010001), we get a palindrome (321032230123).

The spelling of 100010220122 in words is "one hundred billion, ten million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 50005110061 100010220122