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25142103412 = 226285525853
BaseRepresentation
bin10111011010100101…
…100000110101110100
32101220012022012001021
4113122211200311310
5402442334302122
615314454310524
71550021232016
oct273245406564
971805265037
1025142103412
11a732075468
124a58058444
1324a8acc08a
1413071b81b6
159c23e21c7
hex5da960d74

25142103412 has 6 divisors (see below), whose sum is σ = 43998680978. Its totient is φ = 12571051704.

The previous prime is 25142103361. The next prime is 25142103431. The reversal of 25142103412 is 21430124152.

It can be written as a sum of positive squares in only one way, i.e., 17664004836 + 7478098576 = 132906^2 + 86476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142762923 + ... + 3142762930.

Almost surely, 225142103412 is an apocalyptic number.

It is an amenable number.

25142103412 is a deficient number, since it is larger than the sum of its proper divisors (18856577566).

25142103412 is a wasteful number, since it uses less digits than its factorization.

25142103412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285525857 (or 6285525855 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 25142103412 its reverse (21430124152), we get a palindrome (46572227564).

The spelling of 25142103412 in words is "twenty-five billion, one hundred forty-two million, one hundred three thousand, four hundred twelve".

Divisors: 1 2 4 6285525853 12571051706 25142103412