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25305103132 = 2219332778631
BaseRepresentation
bin10111100100010011…
…010011101100011100
32102022120000102121221
4113210103103230130
5403311101300012
615343000103124
71554040553611
oct274423235434
972276012557
1025305103132
11a806086581
124aa2764aa4
13250380000a
141320ac8508
159d188d507
hex5e44d3b1c

25305103132 has 12 divisors (see below), whose sum is σ = 44513382256. Its totient is φ = 12586993920.

The previous prime is 25305103129. The next prime is 25305103247. The reversal of 25305103132 is 23130150352.

It is a junction number, because it is equal to n+sod(n) for n = 25305103097 and 25305103106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16388544 + ... + 16390087.

Almost surely, 225305103132 is an apocalyptic number.

It is an amenable number.

25305103132 is a deficient number, since it is larger than the sum of its proper divisors (19208279124).

25305103132 is a wasteful number, since it uses less digits than its factorization.

25305103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32778828 (or 32778826 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 25305103132 its reverse (23130150352), we get a palindrome (48435253484).

The spelling of 25305103132 in words is "twenty-five billion, three hundred five million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 193 386 772 32778631 65557262 131114524 6326275783 12652551566 25305103132