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102002220112 = 2413490395289
BaseRepresentation
bin101111011111111001…
…1100101110001010000
3100202021201011122220011
41132333303211301100
53132400032020422
6114505325324304
710240465364632
oct1367763456120
9322251148804
10102002220112
113a293659771
1217928406694
139807583480
144d18d36a52
1529bedda077
hex17bfce5c50

102002220112 has 20 divisors (see below), whose sum is σ = 212831555860. Its totient is φ = 47077947648.

The previous prime is 102002220091. The next prime is 102002220121. The reversal of 102002220112 is 211022200201.

It is a happy number.

102002220112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41606208576 + 60396011536 = 203976^2 + 245756^2 .

It is a super-3 number, since 3×1020022201123 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102002220092 and 102002220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245197437 + ... + 245197852.

It is an arithmetic number, because the mean of its divisors is an integer number (10641577793).

Almost surely, 2102002220112 is an apocalyptic number.

It is an amenable number.

102002220112 is an abundant number, since it is smaller than the sum of its proper divisors (110829335748).

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

102002220112 is a wasteful number, since it uses less digits than its factorization.

102002220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490395310 (or 490395304 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102002220112 its reverse (211022200201), we get a palindrome (313024420313).

The spelling of 102002220112 in words is "one hundred two billion, two million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 490395289 980790578 1961581156 3923162312 6375138757 7846324624 12750277514 25500555028 51001110056 102002220112