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25012344142 = 293111343161
BaseRepresentation
bin10111010010110110…
…100001010101001110
32101120011010201210101
4113102312201111032
5402211130003032
615253541201314
71543554263062
oct272266412516
971504121711
1025012344142
11a6758a83a5
124a2070023a
132487c69046
1412d3c7baa2
159b5d0ede7
hex5d2da154e

25012344142 has 8 divisors (see below), whose sum is σ = 37522573632. Its totient is φ = 12504819600.

The previous prime is 25012344139. The next prime is 25012344163. The reversal of 25012344142 is 24144321052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×250123441423 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25012344142.

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, 652959 + ... + 690202.

It is an arithmetic number, because the mean of its divisors is an integer number (4690321704).

Almost surely, 225012344142 is an apocalyptic number.

25012344142 is a deficient number, since it is larger than the sum of its proper divisors (12510229490).

25012344142 is a wasteful number, since it uses less digits than its factorization.

25012344142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352474.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 25012344142 its reverse (24144321052), we get a palindrome (49156665194).

The spelling of 25012344142 in words is "twenty-five billion, twelve million, three hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 9311 18622 1343161 2686322 12506172071 25012344142