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240100980001 = 4900012
BaseRepresentation
bin1101111110011100100…
…0100011010100100001
3211221202001100112111221
43133213020203110201
512413211322330001
6302144553135041
723226632441101
oct3374710432441
9757661315457
10240100980001
119290a81aa93
123a6493ba481
13198452992cc
14b899c57201
1563a3c561a1
hex37e7223521

240100980001 has 3 divisors (see below), whose sum is σ = 240101470003. Its totient is φ = 240100490000.

The previous prime is 240100979981. The next prime is 240100980011. The reversal of 240100980001 is 100089001042.

It is a happy number.

The square root of 240100980001 is 490001.

It is a perfect power (a square), and thus also a powerful number.

240100980001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100089001042 = 250044500521.

It can be written as a sum of positive squares in only one way, i.e., 240099020001 + 1960000 = 489999^2 + 1400^2 .

It is not a de Polignac number, because 240100980001 - 219 = 240100455713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240100980011) 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 2 ways as a sum of consecutive naturals, for example, 245001 + ... + 735001.

Almost surely, 2240100980001 is an apocalyptic number.

240100980001 is the 490001-st square number.

240100980001 is the 245001-st centered octagonal number.

It is an amenable number.

240100980001 is a deficient number, since it is larger than the sum of its proper divisors (490002).

240100980001 is an frugal number, since it uses more digits than its factorization.

240100980001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980002 (or 490001 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Multiplying 240100980001 by its sum of digits (25), we get a square (6002524500025 = 24500052).

Multiplying 240100980001 by its product of nonzero digits (576), we get a square (138298164480576 = 117600242).

Adding to 240100980001 its reverse (100089001042), we get a palindrome (340189981043).

The spelling of 240100980001 in words is "two hundred forty billion, one hundred million, nine hundred eighty thousand, one".

Divisors: 1 490001 240100980001