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145530653113 = 607239753959
BaseRepresentation
bin1000011110001001001…
…1011000100110111001
3111220122021121011112101
42013202103120212321
54341021321344423
6150504510543401
713341246066256
oct2074223304671
9456567534471
10145530653113
11567a029473a
1224255b07b61
1310953648cc1
147087d8442d
153bbb5487ad
hex21e24d89b9

145530653113 has 4 divisors (see below), whose sum is σ = 145770407680. Its totient is φ = 145290898548.

The previous prime is 145530653089. The next prime is 145530653119. The reversal of 145530653113 is 311356035541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311356035541 = 1976211575521.

It is a cyclic number.

It is not a de Polignac number, because 145530653113 - 233 = 136940718521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145530653119) 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, 119876373 + ... + 119877586.

It is an arithmetic number, because the mean of its divisors is an integer number (36442601920).

Almost surely, 2145530653113 is an apocalyptic number.

It is an amenable number.

145530653113 is a deficient number, since it is larger than the sum of its proper divisors (239754567).

145530653113 is an equidigital number, since it uses as much as digits as its factorization.

145530653113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239754566.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 145530653113 its reverse (311356035541), we get a palindrome (456886688654).

The spelling of 145530653113 in words is "one hundred forty-five billion, five hundred thirty million, six hundred fifty-three thousand, one hundred thirteen".

Divisors: 1 607 239753959 145530653113