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25240211000 = 235346154751
BaseRepresentation
bin10111100000011011…
…110000111000111000
32102011000220120100122
4113200123300320320
5403142443223000
615332321152412
71552322152664
oct274033607070
972130816318
1025240211000
11a782494114
124a84a8b708
1324c322c3c4
1413162358a4
159cad21085
hex5e06f0e38

25240211000 has 64 divisors (see below), whose sum is σ = 59191292160. Its totient is φ = 10074000000.

The previous prime is 25240210883. The next prime is 25240211047. The reversal of 25240211000 is 11204252.

It is a self number, because there is not a number n which added to its sum of digits gives 25240211000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 433625 + ... + 488375.

It is an arithmetic number, because the mean of its divisors is an integer number (924863940).

Almost surely, 225240211000 is an apocalyptic number.

25240211000 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 25240211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29595646080).

25240211000 is an abundant number, since it is smaller than the sum of its proper divisors (33951081160).

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

25240211000 is a wasteful number, since it uses less digits than its factorization.

25240211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233 (or 55219 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 25240211000 its reverse (11204252), we get a palindrome (25251415252).

The spelling of 25240211000 in words is "twenty-five billion, two hundred forty million, two hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 461 500 922 1000 1844 2305 3688 4610 9220 11525 18440 23050 46100 54751 57625 92200 109502 115250 219004 230500 273755 438008 461000 547510 1095020 1368775 2190040 2737550 5475100 6843875 10950200 13687750 25240211 27375500 50480422 54751000 100960844 126201055 201921688 252402110 504804220 631005275 1009608440 1262010550 2524021100 3155026375 5048042200 6310052750 12620105500 25240211000