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40233020131 = 174931479953
BaseRepresentation
bin100101011110000100…
…110010101011100011
310211211220112012000201
4211132010302223203
51124344123121011
630252141130031
72623004012533
oct453604625343
9124756465021
1040233020131
1116076544567
127969b59917
133a4242b3b5
141d395074c3
1510a71b4cc1
hex95e132ae3

40233020131 has 8 divisors (see below), whose sum is σ = 42608396304. Its totient is φ = 37858613760.

The previous prime is 40233020021. The next prime is 40233020171. The reversal of 40233020131 is 13102033204.

40233020131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-40233020131 is a prime.

It is a super-2 number, since 2×402330201312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40233020099 and 40233020108.

It is not an unprimeable number, because it can be changed into a prime (40233020171) 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, 156150 + ... + 323803.

It is an arithmetic number, because the mean of its divisors is an integer number (5326049538).

Almost surely, 240233020131 is an apocalyptic number.

40233020131 is a deficient number, since it is larger than the sum of its proper divisors (2375376173).

40233020131 is a wasteful number, since it uses less digits than its factorization.

40233020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484901.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 40233020131 its reverse (13102033204), we get a palindrome (53335053335).

The spelling of 40233020131 in words is "forty billion, two hundred thirty-three million, twenty thousand, one hundred thirty-one".

Divisors: 1 17 4931 83827 479953 8159201 2366648243 40233020131