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31143452415354 = 232128910103132859
BaseRepresentation
bin1110001010011001001100…
…11010110001010101111010
311002021021200202010221020200
413011030212122301111322
513040223242304242404
6150123034324503030
76363016532506356
oct705144632612572
9132237622127220
1031143452415354
119a17955a86914
1235ab98724aa76
13144ba796154a6
147994cb754466
153901a53be839
hex1c53266b157a

31143452415354 has 48 divisors (see below), whose sum is σ = 67537021406400. Its totient is φ = 10371992355648.

The previous prime is 31143452415347. The next prime is 31143452415373. The reversal of 31143452415354 is 45351425434113.

31143452415354 is a `hidden beast` number, since 3 + 1 + 1 + 43 + 452 + 4 + 153 + 5 + 4 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 234343377 + ... + 234476235.

It is an arithmetic number, because the mean of its divisors is an integer number (1407021279300).

Almost surely, 231143452415354 is an apocalyptic number.

31143452415354 is an abundant number, since it is smaller than the sum of its proper divisors (36393568991046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31143452415354 is a wasteful number, since it uses less digits than its factorization.

31143452415354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144259 (or 144256 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

Adding to 31143452415354 its reverse (45351425434113), we get a palindrome (76494877849467).

The spelling of 31143452415354 in words is "thirty-one trillion, one hundred forty-three billion, four hundred fifty-two million, four hundred fifteen thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 1289 2578 3867 7734 10103 11601 20206 23202 30309 60618 90927 132859 181854 265718 398577 797154 1195731 2391462 13022767 26045534 39068301 78136602 117204903 171255251 234409806 342510502 513765753 1027531506 1342274477 1541297259 2684548954 3082594518 4026823431 8053646862 12080470293 24160940586 1730191800853 3460383601706 5190575402559 10381150805118 15571726207677 31143452415354