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101020012202 = 250510006101
BaseRepresentation
bin101111000010101000…
…0110000111010101010
3100122202020222022221102
41132011100300322222
53123342110342302
6114224041241402
710204240636004
oct1360520607252
9318666868842
10101020012202
113992a18839a
12176b3493262
1396abc35765
144c646db374
152963a70702
hex1785430eaa

101020012202 has 4 divisors (see below), whose sum is σ = 151530018306. Its totient is φ = 50510006100.

The previous prime is 101020012199. The next prime is 101020012207. The reversal of 101020012202 is 202210020101.

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: 202210020101 = 434702558607.

It can be written as a sum of positive squares in only one way, i.e., 100057709761 + 962302441 = 316319^2 + 31021^2 .

It is not an unprimeable number, because it can be changed into a prime (101020012207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255003049 + ... + 25255003052.

Almost surely, 2101020012202 is an apocalyptic number.

101020012202 is a deficient number, since it is larger than the sum of its proper divisors (50510006104).

101020012202 is an equidigital number, since it uses as much as digits as its factorization.

101020012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50510006103.

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

Adding to 101020012202 its reverse (202210020101), we get a palindrome (303230032303).

The spelling of 101020012202 in words is "one hundred one billion, twenty million, twelve thousand, two hundred two".

Divisors: 1 2 50510006101 101020012202