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26483891561140 = 225136111322765099
BaseRepresentation
bin1100000010110010000101…
…11100101110001010110100
310110202211112221100021211211
412001121002330232022310
511432403002214424030
6132154310512411204
75402253343652026
oct601310274561264
9113684487307754
1026483891561140
1184908343973a2
122b78909846b04
1311a15603cb770
14677b81b52016
1530dd9068b12a
hex181642f2e2b4

26483891561140 has 192 divisors, whose sum is σ = 61686439315200. Its totient is φ = 9491100917760.

The previous prime is 26483891561107. The next prime is 26483891561159. The reversal of 26483891561140 is 4116519838462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406792311 + ... + 406857409.

It is an arithmetic number, because the mean of its divisors is an integer number (321283538100).

Almost surely, 226483891561140 is an apocalyptic number.

26483891561140 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 26483891561140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30843219657600).

26483891561140 is an abundant number, since it is smaller than the sum of its proper divisors (35202547754060).

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

26483891561140 is a wasteful number, since it uses less digits than its factorization.

26483891561140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65522 (or 65520 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 26483891561140 in words is "twenty-six trillion, four hundred eighty-three billion, eight hundred ninety-one million, five hundred sixty-one thousand, one hundred forty".