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155040413023 = 2391291750221
BaseRepresentation
bin1001000001100100100…
…0001111010101011111
3112211012000220000200101
42100121020033111133
510020010321204043
6155120302041531
714126021523646
oct2203110172537
9484160800611
10155040413023
115a8302a9051
122606a8792a7
131180a8ba882
14770ad7235d
15407636a24d
hex241920f55f

155040413023 has 8 divisors (see below), whose sum is σ = 155704271040. Its totient is φ = 154376681760.

The previous prime is 155040413009. The next prime is 155040413027. The reversal of 155040413023 is 320314040551.

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 155040413023 - 221 = 155038315871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155040412982 and 155040413000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155040413027) 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, 3062053 + ... + 3112273.

It is an arithmetic number, because the mean of its divisors is an integer number (19463033880).

Almost surely, 2155040413023 is an apocalyptic number.

155040413023 is a deficient number, since it is larger than the sum of its proper divisors (663858017).

155040413023 is a wasteful number, since it uses less digits than its factorization.

155040413023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63377.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 155040413023 its reverse (320314040551), we get a palindrome (475354453574).

The spelling of 155040413023 in words is "one hundred fifty-five billion, forty million, four hundred thirteen thousand, twenty-three".

Divisors: 1 239 12917 50221 3087163 12002819 648704657 155040413023