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40279232033 = 127813151493
BaseRepresentation
bin100101100000110101…
…000100111000100001
310211222010110222211122
4211200311010320201
51124442440411113
630300511422025
72624104552235
oct454065047041
9124863428748
1040279232033
111609a638217
127981524915
133a4bb8b511
141d416d65c5
1510ab292408
hex960d44e21

40279232033 has 4 divisors (see below), whose sum is σ = 40282396308. Its totient is φ = 40276067760.

The previous prime is 40279231991. The next prime is 40279232087. The reversal of 40279232033 is 33023297204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16679205904 + 23600026129 = 129148^2 + 153623^2 .

It is a cyclic number.

It is not a de Polignac number, because 40279232033 - 214 = 40279215649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40279231984 and 40279232002.

It is not an unprimeable number, because it can be changed into a prime (40279232093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562966 + ... + 1588527.

It is an arithmetic number, because the mean of its divisors is an integer number (10070599077).

Almost surely, 240279232033 is an apocalyptic number.

It is an amenable number.

40279232033 is a deficient number, since it is larger than the sum of its proper divisors (3164275).

40279232033 is a wasteful number, since it uses less digits than its factorization.

40279232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164274.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 40279232033 in words is "forty billion, two hundred seventy-nine million, two hundred thirty-two thousand, thirty-three".

Divisors: 1 12781 3151493 40279232033