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1234101137681 = 7724315976867
BaseRepresentation
bin10001111101010110001…
…010001111000100010001
311100222102122000101121202
4101331112022033010101
5130204414342401211
62342534354200545
7155106114406346
oct21752612170421
94328378011552
101234101137681
11436419a12605
1217b215b83155
138c4b5522a99
1443a334d27cd
152217d8b653b
hex11f5628f111

1234101137681 has 4 divisors (see below), whose sum is σ = 1234117191792. Its totient is φ = 1234085083572.

The previous prime is 1234101137671. The next prime is 1234101137693. The reversal of 1234101137681 is 1867311014321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234101137681 - 26 = 1234101137617 is a prime.

It is a super-2 number, since 2×12341011376812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234101137671) 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, 7911191 + ... + 8065676.

It is an arithmetic number, because the mean of its divisors is an integer number (308529297948).

Almost surely, 21234101137681 is an apocalyptic number.

It is an amenable number.

1234101137681 is a deficient number, since it is larger than the sum of its proper divisors (16054111).

1234101137681 is an equidigital number, since it uses as much as digits as its factorization.

1234101137681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16054110.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 1234101137681 in words is "one trillion, two hundred thirty-four billion, one hundred one million, one hundred thirty-seven thousand, six hundred eighty-one".

Divisors: 1 77243 15976867 1234101137681