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531324112120 = 23534693829087
BaseRepresentation
bin1111011101101010110…
…00101000110011111000
31212210102220001110222021
413232311120220303320
532201122433041440
61044030435404224
753246464302364
oct7566530506370
91783386043867
10531324112120
1119537367856a
1286b83453674
133b146940b69
141ba054682a4
15dc4ab1184a
hex7bb5628cf8

531324112120 has 32 divisors (see below), whose sum is σ = 1195824182400. Its totient is φ = 212468323968.

The previous prime is 531324112117. The next prime is 531324112127. The reversal of 531324112120 is 21211423135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531324112127) 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, 1775784 + ... + 2053303.

It is an arithmetic number, because the mean of its divisors is an integer number (37369505700).

Almost surely, 2531324112120 is an apocalyptic number.

It is an amenable number.

531324112120 is an abundant number, since it is smaller than the sum of its proper divisors (664500070280).

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

531324112120 is a wasteful number, since it uses less digits than its factorization.

531324112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832567 (or 3832563 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 531324112120 its reverse (21211423135), we get a palindrome (552535535255).

The spelling of 531324112120 in words is "five hundred thirty-one billion, three hundred twenty-four million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3469 6938 13876 17345 27752 34690 69380 138760 3829087 7658174 15316348 19145435 30632696 38290870 76581740 153163480 13283102803 26566205606 53132411212 66415514015 106264822424 132831028030 265662056060 531324112120