Search a number
-
+
141221131031401 = 373889981431557
BaseRepresentation
bin100000000111000010011011…
…010110011001001101101001
3200112000121102102201021020021
4200013002123112121031221
5122002231334021001101
61220204031511000441
741513614163554501
oct4007023326311551
9615017372637207
10141221131031401
1140aa75aa926a53
1213a09727069121
1360a5131aca285
1426c31d3dd6a01
15114d7443a85a1
hex80709b599369

141221131031401 has 8 divisors (see below), whose sum is σ = 145075212903560. Its totient is φ = 137369012030208.

The previous prime is 141221131031359. The next prime is 141221131031501. The reversal of 141221131031401 is 104130131122141.

It can be written as a sum of positive squares in 4 ways, for example, as 23285440599001 + 117935690432400 = 4825499^2 + 10859820^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 141221131031401 - 219 = 141221130507113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141221131031501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490571886 + ... + 490859671.

It is an arithmetic number, because the mean of its divisors is an integer number (18134401612945).

Almost surely, 2141221131031401 is an apocalyptic number.

It is an amenable number.

141221131031401 is a deficient number, since it is larger than the sum of its proper divisors (3854081872159).

141221131031401 is an equidigital number, since it uses as much as digits as its factorization.

141221131031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981435483.

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

Adding to 141221131031401 its reverse (104130131122141), we get a palindrome (245351262153542).

The spelling of 141221131031401 in words is "one hundred forty-one trillion, two hundred twenty-one billion, one hundred thirty-one million, thirty-one thousand, four hundred one".

Divisors: 1 37 3889 143893 981431557 36312967609 3816787325173 141221131031401