Search a number
-
+
10910920921919 = 101449601400331
BaseRepresentation
bin1001111011000110010110…
…0100001101001100111111
31102122001222211122122120022
42132301211210031030333
52412231031224000134
635112224033442355
72204200535414324
oct236614544151477
942561884578508
1010910920921919
113527328460117
1212827394103bb
13611b843423b5
1429a13cabcb4b
1513dc410dd52e
hex9ec6590d33f

10910920921919 has 16 divisors (see below), whose sum is σ = 11061893757600. Its totient is φ = 10760870400000.

The previous prime is 10910920921909. The next prime is 10910920921921. The reversal of 10910920921919 is 91912902901901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10910920921919 is a prime.

It is a super-2 number, since 2×109109209219192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10910920921909) 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, 27054584 + ... + 27454914.

It is an arithmetic number, because the mean of its divisors is an integer number (691368359850).

Almost surely, 210910920921919 is an apocalyptic number.

10910920921919 is a deficient number, since it is larger than the sum of its proper divisors (150972835681).

10910920921919 is a wasteful number, since it uses less digits than its factorization.

10910920921919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401482.

The product of its (nonzero) digits is 236196, while the sum is 53.

The spelling of 10910920921919 in words is "ten trillion, nine hundred ten billion, nine hundred twenty million, nine hundred twenty-one thousand, nine hundred nineteen".

Divisors: 1 101 449 601 45349 60701 269849 400331 27254749 40433431 179748619 240598931 18154610519 24300492031 108028920019 10910920921919