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534242440431 = 33717591606981
BaseRepresentation
bin1111100011000110101…
…01001011010011101111
31220001222021101220211000
413301203111023103233
532223112031043211
61045232205331343
753412011550240
oct7614325132357
91801867356730
10534242440431
11196630a25847
1287658866b53
133b4c042b14b
141bc00c90cc7
15dd6be21656
hex7c6354b4ef

534242440431 has 32 divisors (see below), whose sum is σ = 905052262400. Its totient is φ = 305107650720.

The previous prime is 534242440397. The next prime is 534242440493. The reversal of 534242440431 is 134044242435.

534242440431 is a `hidden beast` number, since 5 + 3 + 4 + 242 + 4 + 404 + 3 + 1 = 666.

It is not a de Polignac number, because 534242440431 - 213 = 534242432239 is a prime.

It is a super-2 number, since 2×5342424404312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534242440331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471040 + ... + 1135941.

It is an arithmetic number, because the mean of its divisors is an integer number (28282883200).

Almost surely, 2534242440431 is an apocalyptic number.

534242440431 is a deficient number, since it is larger than the sum of its proper divisors (370809821969).

534242440431 is a wasteful number, since it uses less digits than its factorization.

534242440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608756 (or 1608750 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 534242440431 its reverse (134044242435), we get a palindrome (668286682866).

The spelling of 534242440431 in words is "five hundred thirty-four billion, two hundred forty-two million, four hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 7 9 21 27 63 189 1759 5277 12313 15831 36939 47493 110817 332451 1606981 4820943 11248867 14462829 33746601 43388487 101239803 303719409 2826679579 8480038737 19786757053 25440116211 59360271159 76320348633 178080813477 534242440431