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145013256501 = 3252531914139
BaseRepresentation
bin1000011100001101110…
…1101011000100110101
3111212022020000200210220
42013003131223010311
54333441343202001
6150341305204553
713322364225321
oct2070335530465
9455266020726
10145013256501
1156555225a33
1224130790759
13108a03b2769
147039380981
153b8ade5c36
hex21c376b135

145013256501 has 8 divisors (see below), whose sum is σ = 193358766240. Its totient is φ = 96671625552.

The previous prime is 145013256499. The next prime is 145013256551. The reversal of 145013256501 is 105652310541.

145013256501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145013256501 - 21 = 145013256499 is a prime.

It is a super-2 number, since 2×1450132565012 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145013256551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 881311 + ... + 1032828.

It is an arithmetic number, because the mean of its divisors is an integer number (24169845780).

Almost surely, 2145013256501 is an apocalyptic number.

It is an amenable number.

145013256501 is a deficient number, since it is larger than the sum of its proper divisors (48345509739).

145013256501 is a wasteful number, since it uses less digits than its factorization.

145013256501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939395.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 145013256501 in words is "one hundred forty-five billion, thirteen million, two hundred fifty-six thousand, five hundred one".

Divisors: 1 3 25253 75759 1914139 5742417 48337752167 145013256501