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13522332144 = 243281715253
BaseRepresentation
bin11001001011111111…
…00110100111110000
31021220101122122110110
430211333212213300
5210143204112034
610113450301320
7656044632606
oct144577464760
937811578413
1013522332144
11580a005312
122754727840
131376675889
14923c95876
1554222bde9
hex325fe69f0

13522332144 has 20 divisors (see below), whose sum is σ = 34932691496. Its totient is φ = 4507444032.

The previous prime is 13522332113. The next prime is 13522332149. The reversal of 13522332144 is 44123322531.

It is a super-2 number, since 2×135223321442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522332149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140857579 + ... + 140857674.

Almost surely, 213522332144 is an apocalyptic number.

It is an amenable number.

13522332144 is an abundant number, since it is smaller than the sum of its proper divisors (21410359352).

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

13522332144 is a wasteful number, since it uses less digits than its factorization.

13522332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281715264 (or 281715258 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13522332144 its reverse (44123322531), we get a palindrome (57645654675).

The spelling of 13522332144 in words is "thirteen billion, five hundred twenty-two million, three hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 281715253 563430506 845145759 1126861012 1690291518 2253722024 3380583036 4507444048 6761166072 13522332144