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531430022552 = 231113464536733
BaseRepresentation
bin1111011101110111011…
…00101001110110011000
31212210201021100021202212
413232323230221312120
532201332041210202
61044045141414252
753252221442222
oct7567354516630
91783637307685
10531430022552
11195418436650
1286bb2a0a388
133b162873960
141ba15557412
15dc55082652
hex7bbbb29d98

531430022552 has 32 divisors (see below), whose sum is σ = 1170632569680. Its totient is φ = 222977631360.

The previous prime is 531430022551. The next prime is 531430022623. The reversal of 531430022552 is 255220034135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531430022551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232267223 + ... + 232269510.

Almost surely, 2531430022552 is an apocalyptic number.

531430022552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531430022552 is an abundant number, since it is smaller than the sum of its proper divisors (639202547128).

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

531430022552 is a wasteful number, since it uses less digits than its factorization.

531430022552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464536763 (or 464536759 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 531430022552 its reverse (255220034135), we get a palindrome (786650056687).

The spelling of 531430022552 in words is "five hundred thirty-one billion, four hundred thirty million, twenty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 464536733 929073466 1858146932 3716293864 5109904063 6038977529 10219808126 12077955058 20439616252 24155910116 40879232504 48311820232 66428752819 132857505638 265715011276 531430022552