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531035130412452 = 223953174917265471
BaseRepresentation
bin111100010111110010100000…
…0010011111011110110100100
32120122020110111021202200120210
41320233211000103323312210
51024100434421341144302
65121230100542055420
7216566010401025531
oct17057450023736644
92518213437680523
10531035130412452
11144227809073636
124b6861ba87a570
1319a40523323873
14951c3477c5d88
15415d69817e66c
hex1e2f9404fbda4

531035130412452 has 48 divisors (see below), whose sum is σ = 1240393925578752. Its totient is φ = 176824291580160.

The previous prime is 531035130412429. The next prime is 531035130412459. The reversal of 531035130412452 is 254214031530135.

It is a self number, because there is not a number n which added to its sum of digits gives 531035130412452.

It is not an unprimeable number, because it can be changed into a prime (531035130412459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000218077 + ... + 2000483547.

It is an arithmetic number, because the mean of its divisors is an integer number (25841540116224).

Almost surely, 2531035130412452 is an apocalyptic number.

It is an amenable number.

531035130412452 is an abundant number, since it is smaller than the sum of its proper divisors (709358795166300).

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

531035130412452 is a wasteful number, since it uses less digits than its factorization.

531035130412452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441348 (or 441346 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 531035130412452 its reverse (254214031530135), we get a palindrome (785249161942587).

The spelling of 531035130412452 in words is "five hundred thirty-one trillion, thirty-five billion, one hundred thirty million, four hundred twelve thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 953 1906 2859 3812 5718 11436 174917 265471 349834 524751 530942 699668 796413 1049502 1061884 1592826 2099004 3185652 166695901 252993863 333391802 500087703 505987726 666783604 758981589 1000175406 1011975452 1517963178 2000350812 3035926356 46435390907 92870781814 139306172721 185741563628 278612345442 557224690884 44252927534371 88505855068742 132758782603113 177011710137484 265517565206226 531035130412452