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40305933031 = 713442922341
BaseRepresentation
bin100101100010011010…
…111011101011100111
310212000222201112201111
4211202122323223213
51130021304324111
630303304005451
72624550530560
oct454232735347
9125028645644
1040305933031
1116103715061
12798a460887
133a54579a20
141d45087167
1510ad7b8a21
hex9626bbae7

40305933031 has 8 divisors (see below), whose sum is σ = 49607302304. Its totient is φ = 31890408480.

The previous prime is 40305933007. The next prime is 40305933077. The reversal of 40305933031 is 13033950304.

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

It is not a de Polignac number, because 40305933031 - 27 = 40305932903 is a prime.

It is a super-2 number, since 2×403059330312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40305932984 and 40305933002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305933331) 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, 221461080 + ... + 221461261.

It is an arithmetic number, because the mean of its divisors is an integer number (6200912788).

Almost surely, 240305933031 is an apocalyptic number.

40305933031 is a deficient number, since it is larger than the sum of its proper divisors (9301369273).

40305933031 is a wasteful number, since it uses less digits than its factorization.

40305933031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442922361.

The product of its (nonzero) digits is 14580, while the sum is 31.

The spelling of 40305933031 in words is "forty billion, three hundred five million, nine hundred thirty-three thousand, thirty-one".

Divisors: 1 7 13 91 442922341 3100456387 5757990433 40305933031