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25155041120 = 2551123621419
BaseRepresentation
bin10111011011010110…
…110111011101100000
32101221002122111020122
4113123112313131200
5403004142303440
615320035455412
71550236215206
oct273326673540
971832574218
1025155041120
11a739401790
124a60457568
1324ab6abb21
141308bc5076
159c35ea7b5
hex5db5b7760

25155041120 has 96 divisors (see below), whose sum is σ = 67650266880. Its totient is φ = 8749565440.

The previous prime is 25155041081. The next prime is 25155041123. The reversal of 25155041120 is 2114055152.

It is a self number, because there is not a number n which added to its sum of digits gives 25155041120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25155041123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270230 + ... + 351189.

It is an arithmetic number, because the mean of its divisors is an integer number (704690280).

Almost surely, 225155041120 is an apocalyptic number.

25155041120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25155041120 is an abundant number, since it is smaller than the sum of its proper divisors (42495225760).

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

25155041120 is a wasteful number, since it uses less digits than its factorization.

25155041120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621468 (or 621460 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 25155041120 its reverse (2114055152), we get a palindrome (27269096272).

The spelling of 25155041120 in words is "twenty-five billion, one hundred fifty-five million, forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 80 88 92 110 115 160 176 184 220 230 253 352 368 440 460 506 736 880 920 1012 1265 1760 1840 2024 2530 3680 4048 5060 8096 10120 20240 40480 621419 1242838 2485676 3107095 4971352 6214190 6835609 9942704 12428380 13671218 14292637 19885408 24856760 27342436 28585274 34178045 49713520 54684872 57170548 68356090 71463185 99427040 109369744 114341096 136712180 142926370 157219007 218739488 228682192 273424360 285852740 314438014 457364384 546848720 571705480 628876028 786095035 1093697440 1143410960 1257752056 1572190070 2286821920 2515504112 3144380140 5031008224 6288760280 12577520560 25155041120