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25142110000 = 245471931861
BaseRepresentation
bin10111011010100101…
…100010011100110000
32101220012022112002021
4113122211202130300
5402442340010000
615314454401224
71550021260150
oct273245423460
971805275067
1025142110000
11a73207a407
124a58060214
1324a8b02087
1413071ba760
159c23e411a
hex5da962730

25142110000 has 200 divisors, whose sum is σ = 69965528864. Its totient is φ = 8570880000.

The previous prime is 25142109997. The next prime is 25142110001. The reversal of 25142110000 is 1124152.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (25142110001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13509070 + ... + 13510930.

Almost surely, 225142110000 is an apocalyptic number.

25142110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25142110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34982764432).

25142110000 is an abundant number, since it is smaller than the sum of its proper divisors (44823418864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25142110000 is a wasteful number, since it uses less digits than its factorization.

25142110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 25142110000 its reverse (1124152), we get a palindrome (25143234152).

The spelling of 25142110000 in words is "twenty-five billion, one hundred forty-two million, one hundred ten thousand".