Search a number
-
+
125220422452224 = 21031117375891293
BaseRepresentation
bin11100011110001100100110…
…110011001000010000000000
3121102100221210112121220121110
4130132030212303020100000
5112403102411121432344
61122153245023323320
735242606541653341
oct3436144663102000
9542327715556543
10125220422452224
1136998756a91560
1212064682150540
1354b430988a958
1422cc9b4d4a0c8
15e7240d1b33b9
hex71e326cc8400

125220422452224 has 352 divisors, whose sum is σ = 395936808552576. Its totient is φ = 34748254126080.

The previous prime is 125220422452159. The next prime is 125220422452247. The reversal of 125220422452224 is 422254224022521.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-2 number, since 2×1252204224522242 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18309522 + ... + 24200814.

Almost surely, 2125220422452224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125220422452224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197968404276288).

125220422452224 is an abundant number, since it is smaller than the sum of its proper divisors (270716386100352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125220422452224 is a wasteful number, since it uses less digits than its factorization.

125220422452224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891381 (or 5891363 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 39.

Adding to 125220422452224 its reverse (422254224022521), we get a palindrome (547474646474745).

The spelling of 125220422452224 in words is "one hundred twenty-five trillion, two hundred twenty billion, four hundred twenty-two million, four hundred fifty-two thousand, two hundred twenty-four".