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101121000202 = 250560500101
BaseRepresentation
bin101111000101101001…
…0000000001100001010
3100200000022000001102201
41132023102000030022
53124043434001302
6114242045550414
710206605214445
oct1361322001412
9320008001381
10101121000202
1139981194152
121772127540a
1396c6b33b81
144c73ca865c
15296c86cc87
hex178b48030a

101121000202 has 4 divisors (see below), whose sum is σ = 151681500306. Its totient is φ = 50560500100.

The previous prime is 101121000191. The next prime is 101121000209. The reversal of 101121000202 is 202000121101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53300495161 + 47820505041 = 230869^2 + 218679^2 .

It is not an unprimeable number, because it can be changed into a prime (101121000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280250049 + ... + 25280250052.

Almost surely, 2101121000202 is an apocalyptic number.

101121000202 is a deficient number, since it is larger than the sum of its proper divisors (50560500104).

101121000202 is an equidigital number, since it uses as much as digits as its factorization.

101121000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50560500103.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101121000202 its reverse (202000121101), we get a palindrome (303121121303).

The spelling of 101121000202 in words is "one hundred one billion, one hundred twenty-one million, two hundred two", and thus it is an aban number.

Divisors: 1 2 50560500101 101121000202