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20153110410 = 2325223923449
BaseRepresentation
bin10010110001001110…
…000000111110001010
31221000111122002020200
4102301032000332022
5312233144013120
613131435033030
71312261416636
oct226116007612
957014562220
1020153110410
1186019a6154
123aa529b776
131b92325504
14d9277ddc6
157ce411e90
hex4b1380f8a

20153110410 has 24 divisors (see below), whose sum is σ = 52398087300. Its totient is φ = 5374162752.

The previous prime is 20153110363. The next prime is 20153110423. The reversal of 20153110410 is 1401135102.

20153110410 is a `hidden beast` number, since 20 + 1 + 531 + 104 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18494096049 + 1659014361 = 135993^2 + 40731^2 .

It is a super-2 number, since 2×201531104102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111961635 + ... + 111961814.

Almost surely, 220153110410 is an apocalyptic number.

20153110410 is an abundant number, since it is smaller than the sum of its proper divisors (32244976890).

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

20153110410 is a wasteful number, since it uses less digits than its factorization.

20153110410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223923462 (or 223923459 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 20153110410 its reverse (1401135102), we get a palindrome (21554245512).

The spelling of 20153110410 in words is "twenty billion, one hundred fifty-three million, one hundred ten thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 223923449 447846898 671770347 1119617245 1343540694 2015311041 2239234490 3358851735 4030622082 6717703470 10076555205 20153110410