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1534520130031 = 71494633177659
BaseRepresentation
bin10110010101001000100…
…001101111100111101111
312102200212100100102211001
4112111020201233213233
5200120144123130111
63132540535541131
7215602560615040
oct26251041574757
95380770312731
101534520130031
11541871676a79
1220949782a7a7
13b19210b2855
14543b21408c7
1529db2c3b1c1
hex1654886f9ef

1534520130031 has 16 divisors (see below), whose sum is σ = 1769321088000. Its totient is φ = 1303653260448.

The previous prime is 1534520130023. The next prime is 1534520130061. The reversal of 1534520130031 is 1300310254351.

It is a happy number.

It is not a de Polignac number, because 1534520130031 - 23 = 1534520130023 is a prime.

It is a super-2 number, since 2×15345201300312 (a number of 25 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 (1534520130061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105921 + ... + 2071738.

It is an arithmetic number, because the mean of its divisors is an integer number (110582568000).

Almost surely, 21534520130031 is an apocalyptic number.

1534520130031 is a deficient number, since it is larger than the sum of its proper divisors (234800957969).

1534520130031 is a wasteful number, since it uses less digits than its factorization.

1534520130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178278.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1534520130031 its reverse (1300310254351), we get a palindrome (2834830384382).

The spelling of 1534520130031 in words is "one trillion, five hundred thirty-four billion, five hundred twenty million, one hundred thirty thousand, thirty-one".

Divisors: 1 7 149 463 1043 3241 68987 482909 3177659 22243613 473471191 1471256117 3314298337 10298792819 219217161433 1534520130031