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145230213052 = 2282237441499
BaseRepresentation
bin1000011101000001100…
…1010010111110111100
3111212212100021020020201
42013100121102332330
54334412413304202
6150415015253244
713330640304601
oct2072031227674
9455770236221
10145230213052
115665673a671
122419137a224
1310906325b12
14705a0d86a8
153b9ee9e387
hex21d0652fbc

145230213052 has 12 divisors (see below), whose sum is σ = 254156539000. Its totient is φ = 72614059056.

The previous prime is 145230213031. The next prime is 145230213061. The reversal of 145230213052 is 250312032541.

145230213052 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452302130522 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145230213052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108199 + ... + 549697.

Almost surely, 2145230213052 is an apocalyptic number.

It is an amenable number.

145230213052 is a deficient number, since it is larger than the sum of its proper divisors (108926325948).

145230213052 is a wasteful number, since it uses less digits than its factorization.

145230213052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523740 (or 523738 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 145230213052 its reverse (250312032541), we get a palindrome (395542245593).

The spelling of 145230213052 in words is "one hundred forty-five billion, two hundred thirty million, two hundred thirteen thousand, fifty-two".

Divisors: 1 2 4 82237 164474 328948 441499 882998 1765996 36307553263 72615106526 145230213052