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10405444153 = 136611210921
BaseRepresentation
bin10011011000011011…
…00111101000111001
3222212011200022221111
421230031213220321
5132302243203103
64440304440321
7515566546606
oct115415475071
928764608844
1010405444153
11445a669225
1220249190a1
13c9a9b6a60
14709d436ad
1540d79986d
hex26c367a39

10405444153 has 8 divisors (see below), whose sum is σ = 11222825096. Its totient is φ = 9590486400.

The previous prime is 10405444129. The next prime is 10405444171. The reversal of 10405444153 is 35144450401.

It can be written as a sum of positive squares in 4 ways, for example, as 2882830864 + 7522613289 = 53692^2 + 86733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10405444153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10405444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596868 + ... + 614053.

It is an arithmetic number, because the mean of its divisors is an integer number (1402853137).

Almost surely, 210405444153 is an apocalyptic number.

10405444153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10405444153 is a deficient number, since it is larger than the sum of its proper divisors (817380943).

10405444153 is a wasteful number, since it uses less digits than its factorization.

10405444153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211595.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 10405444153 its reverse (35144450401), we get a palindrome (45549894554).

The spelling of 10405444153 in words is "ten billion, four hundred five million, four hundred forty-four thousand, one hundred fifty-three".

Divisors: 1 13 661 8593 1210921 15741973 800418781 10405444153