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13531045152 = 253140948387
BaseRepresentation
bin11001001101000001…
…10101110100100000
31021221000001022110110
430212200311310200
5210202421421102
610114401131320
7656211662142
oct144640656440
937830038413
1013531045152
115813a16549
122757629b40
1313784066c1
149250c2c92
15542d9d86c
hex326835d20

13531045152 has 24 divisors (see below), whose sum is σ = 35518993776. Its totient is φ = 4510348352.

The previous prime is 13531045109. The next prime is 13531045163. The reversal of 13531045152 is 25154013531.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70474098 + ... + 70474289.

It is an arithmetic number, because the mean of its divisors is an integer number (1479958074).

Almost surely, 213531045152 is an apocalyptic number.

13531045152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13531045152 is an abundant number, since it is smaller than the sum of its proper divisors (21987948624).

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

13531045152 is a wasteful number, since it uses less digits than its factorization.

13531045152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140948400 (or 140948392 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 13531045152 its reverse (25154013531), we get a palindrome (38685058683).

The spelling of 13531045152 in words is "thirteen billion, five hundred thirty-one million, forty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 140948387 281896774 422845161 563793548 845690322 1127587096 1691380644 2255174192 3382761288 4510348384 6765522576 13531045152