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531253315435412 = 221125767117975859
BaseRepresentation
bin111100011001011000000110…
…1001001101111101110010100
32120200000022122222101020220002
41320302300031021233232110
51024113023242222413122
65121514223124230432
7216620533255103303
oct17062601511575624
92520008588336802
10531253315435412
111443012a18aa729
124b70055053b418
1319a57c84cb554b
149528b24ad843a
1541641b7d58992
hex1e32c0d26fb94

531253315435412 has 12 divisors (see below), whose sum is σ = 929694135723360. Its totient is φ = 265626419514456.

The previous prime is 531253315435399. The next prime is 531253315435457. The reversal of 531253315435412 is 214534513352135.

It is a super-2 number, since 2×5312533154354122 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54484862 + ... + 63490997.

It is an arithmetic number, because the mean of its divisors is an integer number (77474511310280).

Almost surely, 2531253315435412 is an apocalyptic number.

It is an amenable number.

531253315435412 is a deficient number, since it is larger than the sum of its proper divisors (398440820287948).

531253315435412 is a wasteful number, since it uses less digits than its factorization.

531253315435412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119101630 (or 119101628 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 47.

Adding to 531253315435412 its reverse (214534513352135), we get a palindrome (745787828787547).

The spelling of 531253315435412 in words is "five hundred thirty-one trillion, two hundred fifty-three billion, three hundred fifteen million, four hundred thirty-five thousand, four hundred twelve".

Divisors: 1 2 4 1125767 2251534 4503068 117975859 235951718 471903436 132813328858853 265626657717706 531253315435412