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135555105212 = 2240163843781
BaseRepresentation
bin111111000111110110…
…1101100000110111100
3110221220001211211101022
41332033231230012330
54210104101331322
6142135000203312
712536116245242
oct1761755540674
9427801754338
10135555105212
115254136097a
1222331169538
13ca23a40537
1467bd188792
1537d58ba942
hex1f8fb6c1bc

135555105212 has 12 divisors (see below), whose sum is σ = 237227621736. Its totient is φ = 67775784720.

The previous prime is 135555105211. The next prime is 135555105229. The reversal of 135555105212 is 212501555531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555105211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261239 + ... + 582542.

It is an arithmetic number, because the mean of its divisors is an integer number (19768968478).

Almost surely, 2135555105212 is an apocalyptic number.

It is an amenable number.

135555105212 is a deficient number, since it is larger than the sum of its proper divisors (101672516524).

135555105212 is a wasteful number, since it uses less digits than its factorization.

135555105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883948 (or 883946 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 135555105212 in words is "one hundred thirty-five billion, five hundred fifty-five million, one hundred five thousand, two hundred twelve".

Divisors: 1 2 4 40163 80326 160652 843781 1687562 3375124 33888776303 67777552606 135555105212