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25055053002 = 235764711383
BaseRepresentation
bin10111010101011001…
…011100010011001010
32101200010111120100000
4113111121130103022
5402303043144002
615302104423430
71544613302520
oct272531342312
971603446300
1025055053002
11a697a19181
124a32a77b76
132493a70865
1412d97d8310
159b994961c
hex5d565c4ca

25055053002 has 96 divisors (see below), whose sum is σ = 64444004352. Its totient is φ = 7146894384.

The previous prime is 25055052989. The next prime is 25055053007. The reversal of 25055053002 is 20035055052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25055053007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2195403 + ... + 2206785.

It is an arithmetic number, because the mean of its divisors is an integer number (671291712).

Almost surely, 225055053002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25055053002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32222002176).

25055053002 is an abundant number, since it is smaller than the sum of its proper divisors (39388951350).

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

25055053002 is a wasteful number, since it uses less digits than its factorization.

25055053002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054 (or 12042 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The spelling of 25055053002 in words is "twenty-five billion, fifty-five million, fifty-three thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 647 1134 1294 1701 1941 3402 3882 4529 5823 9058 11383 11646 13587 17469 22766 27174 34149 34938 40761 52407 68298 79681 81522 102447 104814 122283 157221 159362 204894 239043 244566 307341 314442 366849 478086 614682 717129 733698 922023 1100547 1434258 1844046 2151387 2201094 2766069 4302774 5532138 6454161 7364801 12908322 14729602 19362483 22094403 38724966 44188806 51553607 66283209 103107214 132566418 154660821 198849627 309321642 397699254 463982463 596548881 927964926 1193097762 1391947389 1789646643 2783894778 3579293286 4175842167 8351684334 12527526501 25055053002