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23521240625053 = 174133746399749
BaseRepresentation
bin1010101100100011101110…
…01100010010111110011101
310002021121102200221001020011
411112101313030102332131
511040333000100000203
6122005301521123221
74645232161341043
oct526216714227635
9102247380831204
1023521240625053
117549336154196
12277a6a7a89511
1310180746859a2
145b4611326393
152abc94d3b76d
hex156477312f9d

23521240625053 has 8 divisors (see below), whose sum is σ = 25512278211000. Its totient is φ = 21597695838720.

The previous prime is 23521240625023. The next prime is 23521240625089. The reversal of 23521240625053 is 35052604212532.

It can be written as a sum of positive squares in 4 ways, for example, as 6113345260324 + 17407895364729 = 2472518^2 + 4172277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23521240625053 - 233 = 23512650690461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23521240624997 and 23521240625015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521240625023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16873199178 + ... + 16873200571.

It is an arithmetic number, because the mean of its divisors is an integer number (3189034776375).

Almost surely, 223521240625053 is an apocalyptic number.

It is an amenable number.

23521240625053 is a deficient number, since it is larger than the sum of its proper divisors (1991037585947).

23521240625053 is a wasteful number, since it uses less digits than its factorization.

23521240625053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33746399807.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 23521240625053 its reverse (35052604212532), we get a palindrome (58573844837585).

The spelling of 23521240625053 in words is "twenty-three trillion, five hundred twenty-one billion, two hundred forty million, six hundred twenty-five thousand, fifty-three".

Divisors: 1 17 41 697 33746399749 573688795733 1383602389709 23521240625053