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145542516613 = 1328339560347
BaseRepresentation
bin1000011110001100000…
…0101000111110000101
3111220200002220220012021
42013203000220332011
54341032341012423
6150510013123141
713341451656604
oct2074300507605
9456602826167
10145542516613
11567a6a5798a
1224259a894b1
1310955c40b20
147089791a3b
153bbc5dd95d
hex21e3028f85

145542516613 has 8 divisors (see below), whose sum is σ = 157291943648. Its totient is φ = 133872210864.

The previous prime is 145542516611. The next prime is 145542516617. The reversal of 145542516613 is 316615245541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145542516613 - 21 = 145542516611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145542516613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145542516611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19776495 + ... + 19783852.

It is an arithmetic number, because the mean of its divisors is an integer number (19661492956).

Almost surely, 2145542516613 is an apocalyptic number.

145542516613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145542516613 is a deficient number, since it is larger than the sum of its proper divisors (11749427035).

145542516613 is a wasteful number, since it uses less digits than its factorization.

145542516613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39560643.

The product of its digits is 432000, while the sum is 43.

The spelling of 145542516613 in words is "one hundred forty-five billion, five hundred forty-two million, five hundred sixteen thousand, six hundred thirteen".

Divisors: 1 13 283 3679 39560347 514284511 11195578201 145542516613