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40320235069 = 3311039117241
BaseRepresentation
bin100101100011010001…
…011111011000111101
310212001222122011102121
4211203101133120331
51130033440010234
630304534322541
72625113225512
oct454321373075
9125058564377
1040320235069
11161107a3424
1279931b9451
133a5751677a
141d46d2b309
1510aeb914b4
hex96345f63d

40320235069 has 8 divisors (see below), whose sum is σ = 40481317760. Its totient is φ = 40159389600.

The previous prime is 40320235013. The next prime is 40320235073. The reversal of 40320235069 is 96053202304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40320235069 is a prime.

It is a super-2 number, since 2×403202350692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320233069) 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, 285289 + ... + 402529.

It is an arithmetic number, because the mean of its divisors is an integer number (5060164720).

Almost surely, 240320235069 is an apocalyptic number.

It is an amenable number.

40320235069 is a deficient number, since it is larger than the sum of its proper divisors (161082691).

40320235069 is a wasteful number, since it uses less digits than its factorization.

40320235069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118611.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 40320235069 in words is "forty billion, three hundred twenty million, two hundred thirty-five thousand, sixty-nine".

Divisors: 1 331 1039 117241 343909 38806771 121813399 40320235069