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102203122443 = 31743831134969
BaseRepresentation
bin101111100101111000…
…1111110001100001011
3100202210201012120002020
41133023301332030023
53133302444404233
6114541303335523
710245455131002
oct1371361761413
9322721176066
10102203122443
113a386aa8654
12179837515a3
13983a0953a6
144d378b1c39
1529d28719b3
hex17cbc7e30b

102203122443 has 64 divisors (see below), whose sum is σ = 150773736960. Its totient is φ = 61321494528.

The previous prime is 102203122421. The next prime is 102203122459. The reversal of 102203122443 is 344221302201.

It is a happy number.

It is not a de Polignac number, because 102203122443 - 28 = 102203122187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102203132443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20565663 + ... + 20570631.

It is an arithmetic number, because the mean of its divisors is an integer number (2355839640).

Almost surely, 2102203122443 is an apocalyptic number.

102203122443 is a deficient number, since it is larger than the sum of its proper divisors (48570614517).

102203122443 is a wasteful number, since it uses less digits than its factorization.

102203122443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102203122443 its reverse (344221302201), we get a palindrome (446424424644).

The spelling of 102203122443 in words is "one hundred two billion, two hundred three million, one hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 3 17 43 51 83 113 129 249 339 731 1411 1921 2193 3569 4233 4859 4969 5763 9379 10707 14577 14907 28137 60673 82603 84473 159443 182019 213667 247809 253419 403297 412427 478329 561497 641001 1209891 1237281 1684491 3632339 6856049 7011259 9545449 10897017 17734361 20568147 21033777 24144371 28636347 46604251 53203083 72433113 139812753 301484137 410454307 792272267 904452411 1231362921 2003982793 2376816801 6011948379 34067707481 102203122443