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23215050445403 = 316474261271639
BaseRepresentation
bin1010100011101001011001…
…10101011101001001011011
310001012100002210002022101002
411101310230311131021123
511020323410403223103
6121212502535015215
74614142406633405
oct521645465351133
9101170083068332
1023215050445403
1174404a1841343
12272b29550a50b
13cc5229261bab
145a388602bb75
152a3d23eca488
hex151d2cd5d25b

23215050445403 has 16 divisors (see below), whose sum is σ = 24006682644480. Its totient is φ = 22426107314400.

The previous prime is 23215050445351. The next prime is 23215050445417. The reversal of 23215050445403 is 30454405051232.

It is a cyclic number.

It is not a de Polignac number, because 23215050445403 - 216 = 23215050379867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23215050445603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85327058 + ... + 85598696.

It is an arithmetic number, because the mean of its divisors is an integer number (1500417665280).

Almost surely, 223215050445403 is an apocalyptic number.

23215050445403 is a deficient number, since it is larger than the sum of its proper divisors (791632199077).

23215050445403 is a wasteful number, since it uses less digits than its factorization.

23215050445403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276578.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 23215050445403 its reverse (30454405051232), we get a palindrome (53669455496635).

The spelling of 23215050445403 in words is "twenty-three trillion, two hundred fifteen billion, fifty million, four hundred forty-five thousand, four hundred three".

Divisors: 1 31 647 4261 20057 132091 271639 2756867 8420809 85462877 175750433 1157453779 5448263423 35881067149 748872595013 23215050445403