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253102205555320 = 235112155949096833
BaseRepresentation
bin111001100011000111110011…
…000011011101001001111000
31020012011100000212211202112011
4321203013303003131021320
5231133311304110232240
62254145314214055304
7104212013413136002
oct7143076303351170
91205140025752464
10253102205555320
1173712051747600
1224478aa064a534
13ab2c587c495b4
1446702d806b372
151e3db810e56ea
hexe631f30dd278

253102205555320 has 192 divisors, whose sum is σ = 626578105608000. Its totient is φ = 91945934868480.

The previous prime is 253102205555267. The next prime is 253102205555321. The reversal of 253102205555320 is 23555502201352.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253102205555321) 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, 37041150624 + ... + 37041157456.

It is an arithmetic number, because the mean of its divisors is an integer number (3263427633375).

Almost surely, 2253102205555320 is an apocalyptic number.

253102205555320 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 253102205555320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313289052804000).

253102205555320 is an abundant number, since it is smaller than the sum of its proper divisors (373475900052680).

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

253102205555320 is a wasteful number, since it uses less digits than its factorization.

253102205555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

Adding to 253102205555320 its reverse (23555502201352), we get a palindrome (276657707756672).

The spelling of 253102205555320 in words is "two hundred fifty-three trillion, one hundred two billion, two hundred five million, five hundred fifty-five thousand, three hundred twenty".