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102020101202 = 22311324181439
BaseRepresentation
bin101111100000011011…
…1110011010001010010
3100202022221211010010202
41133000313303101102
53132414121214302
6114511204455202
710241103360245
oct1370067632122
9322287733122
10102020101202
113a2a2762028
12179323aa502
13980b1a42b6
144d1b46d25c
1529c176d202
hex17c0df3452

102020101202 has 32 divisors (see below), whose sum is σ = 161767203840. Its totient is φ = 48159175680.

The previous prime is 102020101193. The next prime is 102020101207. The reversal of 102020101202 is 202101020201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102020101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211999 + ... + 1293437.

It is an arithmetic number, because the mean of its divisors is an integer number (5055225120).

Almost surely, 2102020101202 is an apocalyptic number.

102020101202 is a deficient number, since it is larger than the sum of its proper divisors (59747102638).

102020101202 is a wasteful number, since it uses less digits than its factorization.

102020101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81818.

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

Adding to 102020101202 its reverse (202101020201), we get a palindrome (304121121403).

The spelling of 102020101202 in words is "one hundred two billion, twenty million, one hundred one thousand, two hundred two".

Divisors: 1 2 23 46 113 226 241 482 2599 5198 5543 11086 27233 54466 81439 162878 626359 1252718 1873097 3746194 9202607 18405214 19626799 39253598 211659961 423319922 451416377 902832754 2217828287 4435656574 51010050601 102020101202