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101020010202 = 23237151681697
BaseRepresentation
bin101111000010101000…
…0110000011011011010
3100122202020222020012100
41132011100300123122
53123342110311302
6114224041224230
710204240630116
oct1360520603332
9318666866170
10101020010202
113992a186941
12176b3492076
1396abc34887
144c646da746
152963a6ed1c
hex17854306da

101020010202 has 24 divisors (see below), whose sum is σ = 224792276436. Its totient is φ = 32763246336.

The previous prime is 101020010173. The next prime is 101020010219. The reversal of 101020010202 is 202010020101.

It can be written as a sum of positive squares in 2 ways, for example, as 88899981921 + 12120028281 = 298161^2 + 110091^2 .

It is a super-2 number, since 2×1010200102022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 75840183 + ... + 75841514.

Almost surely, 2101020010202 is an apocalyptic number.

101020010202 is an abundant number, since it is smaller than the sum of its proper divisors (123772266234).

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

101020010202 is a wasteful number, since it uses less digits than its factorization.

101020010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151681742 (or 151681739 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101020010202 its reverse (202010020101), we get a palindrome (303030030303).

The spelling of 101020010202 in words is "one hundred one billion, twenty million, ten thousand, two hundred two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 151681697 303363394 455045091 910090182 1365135273 2730270546 5612222789 11224445578 16836668367 33673336734 50510005101 101020010202