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13544214100 = 2252135442141
BaseRepresentation
bin11001001110100110…
…00100111001010100
31021221220211100212021
430213103010321110
5210214304322400
610115551302524
7656431630444
oct144723047124
937856740767
1013544214100
1158203a057a
12275bb1aa44
13137b067791
14926b50124
1554410071a
hex3274c4e54

13544214100 has 18 divisors (see below), whose sum is σ = 29390944814. Its totient is φ = 5417685600.

The previous prime is 13544214097. The next prime is 13544214107. The reversal of 13544214100 is 141244531.

It can be written as a sum of positive squares in 3 ways, for example, as 3613692996 + 9930521104 = 60114^2 + 99652^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544214107) 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, 67720971 + ... + 67721170.

Almost surely, 213544214100 is an apocalyptic number.

13544214100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13544214100 is an abundant number, since it is smaller than the sum of its proper divisors (15846730714).

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

13544214100 is a wasteful number, since it uses less digits than its factorization.

13544214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135442155 (or 135442148 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13544214100 its reverse (141244531), we get a palindrome (13685458631).

The spelling of 13544214100 in words is "thirteen billion, five hundred forty-four million, two hundred fourteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 135442141 270884282 541768564 677210705 1354421410 2708842820 3386053525 6772107050 13544214100