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145224075125 = 5319289721107
BaseRepresentation
bin1000011101000000000…
…1111000011101110101
3111212211220201101121002
42013100001320131311
54334404330401000
6150414235533045
713330534162013
oct2072001703565
9455756641532
10145224075125
11566532280a8
122418b2ba185
1310904c870cc
14705937b8b3
153b9e68a8d5
hex21d0078775

145224075125 has 32 divisors (see below), whose sum is σ = 190853470080. Its totient is φ = 110021356800.

The previous prime is 145224075107. The next prime is 145224075137. The reversal of 145224075125 is 521570422541.

It is not a de Polignac number, because 145224075125 - 216 = 145224009589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6869822 + ... + 6890928.

It is an arithmetic number, because the mean of its divisors is an integer number (5964170940).

Almost surely, 2145224075125 is an apocalyptic number.

It is an amenable number.

145224075125 is a deficient number, since it is larger than the sum of its proper divisors (45629394955).

145224075125 is a wasteful number, since it uses less digits than its factorization.

145224075125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24038 (or 24028 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

Adding to 145224075125 its reverse (521570422541), we get a palindrome (666794497666).

The spelling of 145224075125 in words is "one hundred forty-five billion, two hundred twenty-four million, seventy-five thousand, one hundred twenty-five".

Divisors: 1 5 19 25 95 125 475 2375 2897 14485 21107 55043 72425 105535 275215 362125 401033 527675 1376075 2005165 2638375 6880375 10025825 50129125 61146979 305734895 1161792601 1528674475 5808963005 7643372375 29044815025 145224075125