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40120130223 = 331485930749
BaseRepresentation
bin100101010111010110…
…001001101010101111
310211120001002210012000
4211113112021222233
51124131223131343
630233025343343
72620133323455
oct452726115257
9124501083160
1040120130223
1116018849718
127938197b53
133a24c23834
141d2851c9d5
15109c315ed3
hex957589aaf

40120130223 has 8 divisors (see below), whose sum is σ = 59437230000. Its totient is φ = 26746753464.

The previous prime is 40120130189. The next prime is 40120130249. The reversal of 40120130223 is 32203102104.

It is not a de Polignac number, because 40120130223 - 29 = 40120129711 is a prime.

It is a super-2 number, since 2×401201302232 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40120130196 and 40120130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40120130273) 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, 742965348 + ... + 742965401.

It is an arithmetic number, because the mean of its divisors is an integer number (7429653750).

Almost surely, 240120130223 is an apocalyptic number.

40120130223 is a deficient number, since it is larger than the sum of its proper divisors (19317099777).

40120130223 is a wasteful number, since it uses less digits than its factorization.

40120130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485930758 (or 1485930752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40120130223 its reverse (32203102104), we get a palindrome (72323232327).

The spelling of 40120130223 in words is "forty billion, one hundred twenty million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 9 27 1485930749 4457792247 13373376741 40120130223