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2043013431 = 329155315121
BaseRepresentation
bin111100111000101…
…1110100100110111
312021101021211120010
41321301132210313
513141002412211
6534420511303
7101425220244
oct17161364467
95241254503
102043013431
11959256258
1249024b533
132673576b4
141554945cb
15be55c4a6
hex79c5e937

2043013431 has 16 divisors (see below), whose sum is σ = 2819950560. Its totient is φ = 1314109440.

The previous prime is 2043013421. The next prime is 2043013439. The reversal of 2043013431 is 1343103402.

It is not a de Polignac number, because 2043013431 - 29 = 2043012919 is a prime.

It is a super-2 number, since 2×20430134312 = 8347807758492783522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2043013398 and 2043013407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043013439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127551 + ... + 142671.

It is an arithmetic number, because the mean of its divisors is an integer number (176246910).

Almost surely, 22043013431 is an apocalyptic number.

2043013431 is a deficient number, since it is larger than the sum of its proper divisors (776937129).

2043013431 is a wasteful number, since it uses less digits than its factorization.

2043013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16706.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2043013431 is about 45199.7060941772. The cubic root of 2043013431 is about 1268.8893157832.

Adding to 2043013431 its reverse (1343103402), we get a palindrome (3386116833).

The spelling of 2043013431 in words is "two billion, forty-three million, thirteen thousand, four hundred thirty-one".

Divisors: 1 3 29 87 1553 4659 15121 45037 45363 135111 438509 1315527 23482913 70448739 681004477 2043013431