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523030510101400 = 235271726121191969
BaseRepresentation
bin111011011101100011000011…
…1110000101110001110011000
32112120220020011112110011110221
41312323012013300232032120
51022023312441041221100
65052220522124445424
7215111464423020550
oct16673060760561630
92476806145404427
10523030510101400
11141720aa2636314
124a7b29976a9874
13195ac747450552
149322b51680160
1540703557b301a
hex1dbb187c2e398

523030510101400 has 288 divisors, whose sum is σ = 1500528799965600. Its totient is φ = 166009400524800.

The previous prime is 523030510101391. The next prime is 523030510101401. The reversal of 523030510101400 is 4101015030325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523030510101401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14084616 + ... + 35276584.

It is an arithmetic number, because the mean of its divisors is an integer number (5210169444325).

Almost surely, 2523030510101400 is an apocalyptic number.

523030510101400 is a gapful number since it is divisible by the number (50) 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 523030510101400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750264399982800).

523030510101400 is an abundant number, since it is smaller than the sum of its proper divisors (977498289864200).

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

523030510101400 is a wasteful number, since it uses less digits than its factorization.

523030510101400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21192087 (or 21192061 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 523030510101400 its reverse (4101015030325), we get a palindrome (527131525131725).

The spelling of 523030510101400 in words is "five hundred twenty-three trillion, thirty billion, five hundred ten million, one hundred one thousand, four hundred".