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431214250540 = 22521560712527
BaseRepresentation
bin1100100011001100101…
…11110100101000101100
31112020001001200120222011
412101212113310220230
524031111322004130
6530032545531004
743103614436623
oct6214627645054
91466031616864
10431214250540
11156971225877
126b6a4943a64
1331881447088
1416c299aa6ba
15b33be2552a
hex64665f4a2c

431214250540 has 12 divisors (see below), whose sum is σ = 905549926176. Its totient is φ = 172485700208.

The previous prime is 431214250507. The next prime is 431214250541. The reversal of 431214250540 is 45052412134.

It is not an unprimeable number, because it can be changed into a prime (431214250541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10780356244 + ... + 10780356283.

It is an arithmetic number, because the mean of its divisors is an integer number (75462493848).

Almost surely, 2431214250540 is an apocalyptic number.

It is an amenable number.

431214250540 is an abundant number, since it is smaller than the sum of its proper divisors (474335675636).

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

431214250540 is a wasteful number, since it uses less digits than its factorization.

431214250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21560712536 (or 21560712534 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 431214250540 its reverse (45052412134), we get a palindrome (476266662674).

The spelling of 431214250540 in words is "four hundred thirty-one billion, two hundred fourteen million, two hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 21560712527 43121425054 86242850108 107803562635 215607125270 431214250540