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100912656768 = 27371123148387
BaseRepresentation
bin101110111111011011…
…1001111000110000000
3100122110202222002222020
41131332313033012000
53123132120004033
6114205244241440
710201465300260
oct1357667170600
9318422862866
10100912656768
11398846226a0
1217683540280
139692918031
144c543537a0
1529594166b3
hex177edcf180

100912656768 has 256 divisors, whose sum is σ = 348723671040. Its totient is φ = 25071298560.

The previous prime is 100912656749. The next prime is 100912656773. The reversal of 100912656768 is 867656219001.

It is a self number, because there is not a number n which added to its sum of digits gives 100912656768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605871 + ... + 754257.

It is an arithmetic number, because the mean of its divisors is an integer number (1362201840).

Almost surely, 2100912656768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100912656768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174361835520).

100912656768 is an abundant number, since it is smaller than the sum of its proper divisors (247811014272).

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

100912656768 is a wasteful number, since it uses less digits than its factorization.

100912656768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148445 (or 148433 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 100912656768 in words is "one hundred billion, nine hundred twelve million, six hundred fifty-six thousand, seven hundred sixty-eight".