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144402010252 = 2263157211573
BaseRepresentation
bin1000011001111100000…
…1111101000010001100
3111210201121212011120221
42012133001331002030
54331213403312002
6150200512121124
713301262556303
oct2063701750214
9453647764527
10144402010252
1156271196645
1223b9bb361a4
1310803879ca6
146dbc10b43a
153b52405c37
hex219f07d08c

144402010252 has 12 divisors (see below), whose sum is σ = 253104003376. Its totient is φ = 72086580720.

The previous prime is 144402010223. The next prime is 144402010267. The reversal of 144402010252 is 252010204441.

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 3 ways as a sum of consecutive naturals, for example, 28603263 + ... + 28608310.

Almost surely, 2144402010252 is an apocalyptic number.

It is an amenable number.

144402010252 is a deficient number, since it is larger than the sum of its proper divisors (108701993124).

144402010252 is a wasteful number, since it uses less digits than its factorization.

144402010252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57212208 (or 57212206 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 144402010252 its reverse (252010204441), we get a palindrome (396412214693).

The spelling of 144402010252 in words is "one hundred forty-four billion, four hundred two million, ten thousand, two hundred fifty-two".

Divisors: 1 2 4 631 1262 2524 57211573 114423146 228846292 36100502563 72201005126 144402010252