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101012312212 = 2274187989819
BaseRepresentation
bin101111000010011001…
…1011001000010010100
3100122201201111010112121
41132010303121002110
53123333122442322
6114223204225324
710204115326030
oct1360463310224
9318651433477
10101012312212
11399258a9269
12176b099b244
1396aa46aa56
144c636951c0
15296304dec7
hex1784cd9094

101012312212 has 24 divisors (see below), whose sum is σ = 206952056640. Its totient is φ = 42235112640.

The previous prime is 101012312201. The next prime is 101012312287. The reversal of 101012312212 is 212213210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43993762 + ... + 43996057.

It is an arithmetic number, because the mean of its divisors is an integer number (8623002360).

Almost surely, 2101012312212 is an apocalyptic number.

It is an amenable number.

101012312212 is an abundant number, since it is smaller than the sum of its proper divisors (105939744428).

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

101012312212 is a wasteful number, since it uses less digits than its factorization.

101012312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87989871 (or 87989869 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101012312212 its reverse (212213210101), we get a palindrome (313225522313).

The spelling of 101012312212 in words is "one hundred one billion, twelve million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 87989819 175979638 351959276 615928733 1231857466 2463714932 3607582579 7215165158 14430330316 25253078053 50506156106 101012312212