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144415421532 = 22331778657637
BaseRepresentation
bin1000011001111111010…
…1000111010001011100
3111210202120002112102000
42012133311013101130
54331230321442112
6150202111402300
713301514554244
oct2063765072134
9453676075360
10144415421532
1156278816748
1223ba4523390
1310806594465
146dbdbdcb24
153b536a47dc
hex219fd4745c

144415421532 has 48 divisors (see below), whose sum is σ = 396434495520. Its totient is φ = 45306798336.

The previous prime is 144415421461. The next prime is 144415421573. The reversal of 144415421532 is 235124514441.

144415421532 is a `hidden beast` number, since 1 + 44 + 41 + 5 + 42 + 1 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39326983 + ... + 39330654.

It is an arithmetic number, because the mean of its divisors is an integer number (8259051990).

Almost surely, 2144415421532 is an apocalyptic number.

144415421532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144415421532 is an abundant number, since it is smaller than the sum of its proper divisors (252019073988).

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

144415421532 is a wasteful number, since it uses less digits than its factorization.

144415421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78657667 (or 78657659 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 144415421532 its reverse (235124514441), we get a palindrome (379539935973).

The spelling of 144415421532 in words is "one hundred forty-four billion, four hundred fifteen million, four hundred twenty-one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 78657637 157315274 235972911 314630548 471945822 707918733 943891644 1337179829 1415837466 2123756199 2674359658 2831674932 4011539487 4247512398 5348719316 8023078974 8495024796 12034618461 16046157948 24069236922 36103855383 48138473844 72207710766 144415421532