Search a number
-
+
1108008421487 = 11432731857749
BaseRepresentation
bin10000000111111010011…
…100101100100001101111
310220220222000022201201222
4100013322130230201233
5121123200123441422
62205002333453555
7143023324121102
oct20077234544157
93826860281658
101108008421487
113979a3960650
1215a8a59412bb
138063bca9606
143b8b0d24739
151dc4dab1842
hex101fa72c86f

1108008421487 has 16 divisors (see below), whose sum is σ = 1237300944000. Its totient is φ = 983493856800.

The previous prime is 1108008421459. The next prime is 1108008421529. The reversal of 1108008421487 is 7841248008011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1108008421487 - 26 = 1108008421423 is a prime.

It is a super-2 number, since 2×11080084214872 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108008421987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862889 + ... + 1720637.

It is an arithmetic number, because the mean of its divisors is an integer number (77331309000).

Almost surely, 21108008421487 is an apocalyptic number.

1108008421487 is a deficient number, since it is larger than the sum of its proper divisors (129292522513).

1108008421487 is a wasteful number, since it uses less digits than its factorization.

1108008421487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860534.

The product of its (nonzero) digits is 114688, while the sum is 44.

The spelling of 1108008421487 in words is "one trillion, one hundred eight billion, eight million, four hundred twenty-one thousand, four hundred eighty-seven".

Divisors: 1 11 43 473 2731 30041 117433 857749 1291763 9435239 36883207 405715277 2342512519 25767637709 100728038317 1108008421487