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13545031100 = 2252135450311
BaseRepresentation
bin11001001110101100…
…01100010110111100
31021221222100212120112
430213112030112330
5210220011443400
610120021005152
7656441602406
oct144726142674
937858325515
1013545031100
1158208a9387
1227602537b8
13137b292603
14926cc3b76
15544212835
hex32758c5bc

13545031100 has 18 divisors (see below), whose sum is σ = 29392717704. Its totient is φ = 5418012400.

The previous prime is 13545031099. The next prime is 13545031103. The reversal of 13545031100 is 113054531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545031103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67725056 + ... + 67725255.

Almost surely, 213545031100 is an apocalyptic number.

13545031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13545031100 is an abundant number, since it is smaller than the sum of its proper divisors (15847686604).

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

13545031100 is a wasteful number, since it uses less digits than its factorization.

13545031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135450325 (or 135450318 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13545031100 its reverse (113054531), we get a palindrome (13658085631).

The spelling of 13545031100 in words is "thirteen billion, five hundred forty-five million, thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 135450311 270900622 541801244 677251555 1354503110 2709006220 3386257775 6772515550 13545031100