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125550214431 = 3291627388681
BaseRepresentation
bin111010011101101100…
…0000011110100011111
3110000001210212201100220
41310323120003310133
54024111323330211
6133402120452423
712033152133405
oct1647330036437
9400053781326
10125550214431
11492779063a4
12203ba61a113
13babb02cc15
146110511475
1533ec393806
hex1d3b603d1f

125550214431 has 16 divisors (see below), whose sum is σ = 173185304160. Its totient is φ = 80808053760.

The previous prime is 125550214429. The next prime is 125550214469. The reversal of 125550214431 is 134412055521.

It is not a de Polignac number, because 125550214431 - 21 = 125550214429 is a prime.

It is a super-2 number, since 2×1255502144312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125550214392 and 125550214401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550214421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371411 + ... + 1460091.

It is an arithmetic number, because the mean of its divisors is an integer number (10824081510).

Almost surely, 2125550214431 is an apocalyptic number.

125550214431 is a deficient number, since it is larger than the sum of its proper divisors (47635089729).

125550214431 is a wasteful number, since it uses less digits than its factorization.

125550214431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104986.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 125550214431 its reverse (134412055521), we get a palindrome (259962269952).

The spelling of 125550214431 in words is "one hundred twenty-five billion, five hundred fifty million, two hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 3 29 87 16273 48819 88681 266043 471917 1415751 2571749 7715247 1443105913 4329317739 41850071477 125550214431