Search a number
-
+
125244430031144 = 2315655553753893
BaseRepresentation
bin11100011110100010111101…
…110000110001100100101000
3121102110020202200010021122002
4130132202331300301210220
5112404001043041444034
61122212255153150132
735244416506010654
oct3436427560614450
9542406680107562
10125244430031144
11369a7956700976
121206926225b348
1354b666460b858
1422cdc11599a64
15e72d65b9ee7e
hex71e8bdc31928

125244430031144 has 8 divisors (see below), whose sum is σ = 234833306308410. Its totient is φ = 62622215015568.

The previous prime is 125244430031141. The next prime is 125244430031191. The reversal of 125244430031144 is 441130034442521.

It can be written as a sum of positive squares in only one way, i.e., 109477256807044 + 15767173224100 = 10463138^2 + 3970790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1252444300311442 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125244430031098 and 125244430031107.

It is not an unprimeable number, because it can be changed into a prime (125244430031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7827776876939 + ... + 7827776876954.

Almost surely, 2125244430031144 is an apocalyptic number.

It is an amenable number.

125244430031144 is a deficient number, since it is larger than the sum of its proper divisors (109588876277266).

125244430031144 is a wasteful number, since it uses less digits than its factorization.

125244430031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655553753899 (or 15655553753895 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 125244430031144 its reverse (441130034442521), we get a palindrome (566374464473665).

The spelling of 125244430031144 in words is "one hundred twenty-five trillion, two hundred forty-four billion, four hundred thirty million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 15655553753893 31311107507786 62622215015572 125244430031144