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25068900003840 = 212345721123253
BaseRepresentation
bin1011011001100110011101…
…11000010011000000000000
310021202120012202002110220000
411230303032320103000000
511241212101400110330
6125152254344520000
75165111466114600
oct554631670230000
9107676182073800
1025068900003840
117a9572a564230
12298a62ba80000
1310cacaa943634
146294ac4bcc00
152d7176333560
hex16cccee13000

25068900003840 has 4680 divisors, whose sum is σ = 121464268622928. Its totient is φ = 4888626462720.

The previous prime is 25068900003827. The next prime is 25068900003841. The reversal of 25068900003840 is 4830000986052.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25068900003841) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 472998113254 + ... + 472998113306.

Almost surely, 225068900003840 is an apocalyptic number.

25068900003840 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 25068900003840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60732134311464).

25068900003840 is an abundant number, since it is smaller than the sum of its proper divisors (96395368619088).

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

25068900003840 is a wasteful number, since it uses less digits than its factorization.

25068900003840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

Adding to 25068900003840 its reverse (4830000986052), we get a palindrome (29898900989892).

The spelling of 25068900003840 in words is "twenty-five trillion, sixty-eight billion, nine hundred million, three thousand, eight hundred forty".