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25121400141 = 336232311289
BaseRepresentation
bin10111011001010110…
…100010010101001101
32101211202100100111110
4113121112202111031
5402422034301031
615312434442233
71546350243435
oct273126422515
971752310443
1025121400141
11a721414822
124a51133379
1324a4730816
1413045492c5
159c06a2c46
hex5d95a254d

25121400141 has 8 divisors (see below), whose sum is σ = 33504459840. Its totient is φ = 16742970272.

The previous prime is 25121400121. The next prime is 25121400163. The reversal of 25121400141 is 14100412152.

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

It is a cyclic number.

It is not a de Polignac number, because 25121400141 - 213 = 25121391949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25121400121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144776 + ... + 1166513.

It is an arithmetic number, because the mean of its divisors is an integer number (4188057480).

Almost surely, 225121400141 is an apocalyptic number.

It is an amenable number.

25121400141 is a deficient number, since it is larger than the sum of its proper divisors (8383059699).

25121400141 is a wasteful number, since it uses less digits than its factorization.

25121400141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314915.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 25121400141 its reverse (14100412152), we get a palindrome (39221812293).

The spelling of 25121400141 in words is "twenty-five billion, one hundred twenty-one million, four hundred thousand, one hundred forty-one".

Divisors: 1 3 3623 10869 2311289 6933867 8373800047 25121400141