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101212210434 = 23314671165207
BaseRepresentation
bin101111001000010110…
…1111100010100000010
3100200020122122000100110
41132100231330110002
53124240311213214
6114255104532150
710212063410466
oct1362055742402
9320218560313
10101212210434
1139a18721805
1217747921056
13970c9ba91a
144c8204c4a6
152975888159
hex1790b7c502

101212210434 has 32 divisors (see below), whose sum is σ = 209401860096. Its totient is φ = 32579159760.

The previous prime is 101212210433. The next prime is 101212210441. The reversal of 101212210434 is 434012212101.

It is a self number, because there is not a number n which added to its sum of digits gives 101212210434.

It is not an unprimeable number, because it can be changed into a prime (101212210433) 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 in 15 ways as a sum of consecutive naturals, for example, 495742 + ... + 669465.

It is an arithmetic number, because the mean of its divisors is an integer number (6543808128).

Almost surely, 2101212210434 is an apocalyptic number.

101212210434 is an abundant number, since it is smaller than the sum of its proper divisors (108189649662).

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

101212210434 is a wasteful number, since it uses less digits than its factorization.

101212210434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165710.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101212210434 its reverse (434012212101), we get a palindrome (535224422535).

The spelling of 101212210434 in words is "one hundred one billion, two hundred twelve million, two hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 3 6 31 62 93 186 467 934 1401 2802 14477 28954 43431 86862 1165207 2330414 3495621 6991242 36121417 72242834 108364251 216728502 544151669 1088303338 1632455007 3264910014 16868701739 33737403478 50606105217 101212210434