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25300055030 = 254049624847
BaseRepresentation
bin10111100100000000…
…000011001111110110
32102022012111221221012
4113210000003033312
5403303303230110
615342255552222
71553646630245
oct274400031766
972265457835
1025300055030
11a803248898
124aa0b2b672
132502753383
14132017295c
159d11e2905
hex5e40033f6

25300055030 has 16 divisors (see below), whose sum is σ = 45551419200. Its totient is φ = 10117506432.

The previous prime is 25300054963. The next prime is 25300055047. The reversal of 25300055030 is 3055000352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25300054987 and 25300055005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271934 + ... + 352913.

It is an arithmetic number, because the mean of its divisors is an integer number (2846963700).

Almost surely, 225300055030 is an apocalyptic number.

25300055030 is a deficient number, since it is larger than the sum of its proper divisors (20251364170).

25300055030 is a wasteful number, since it uses less digits than its factorization.

25300055030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628903.

The product of its (nonzero) digits is 2250, while the sum is 23.

Adding to 25300055030 its reverse (3055000352), we get a palindrome (28355055382).

The spelling of 25300055030 in words is "twenty-five billion, three hundred million, fifty-five thousand, thirty".

Divisors: 1 2 5 10 4049 8098 20245 40490 624847 1249694 3124235 6248470 2530005503 5060011006 12650027515 25300055030