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7800000110101 = 13756934307373
BaseRepresentation
bin111000110000001010000…
…1111000101111000010101
31000121200011102022022101201
41301200110033011320111
52010243400012010401
624331134240152501
71433350163001223
oct161402417057025
930550142268351
107800000110101
112537a63797831
12a5b838308731
134476c9613144
141cd7445c9b13
15d7d68a13b01
hex718143c5e15

7800000110101 has 4 divisors (see below), whose sum is σ = 7856934417612. Its totient is φ = 7743065802592.

The previous prime is 7800000110081. The next prime is 7800000110143. The reversal of 7800000110101 is 1010110000087.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5161734083025 + 2638266027076 = 2271945^2 + 1624274^2 .

It is a cyclic number.

It is not a de Polignac number, because 7800000110101 - 213 = 7800000101909 is a prime.

It is a super-2 number, since 2×78000001101012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7800000150101) 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 3 ways as a sum of consecutive naturals, for example, 28467153550 + ... + 28467153823.

It is an arithmetic number, because the mean of its divisors is an integer number (1964233604403).

Almost surely, 27800000110101 is an apocalyptic number.

It is an amenable number.

7800000110101 is a deficient number, since it is larger than the sum of its proper divisors (56934307511).

7800000110101 is a wasteful number, since it uses less digits than its factorization.

7800000110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56934307510.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 7800000110101 its reverse (1010110000087), we get a palindrome (8810110110188).

The spelling of 7800000110101 in words is "seven trillion, eight hundred billion, one hundred ten thousand, one hundred one".

Divisors: 1 137 56934307373 7800000110101