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531314104452440 = 23513282852611311
BaseRepresentation
bin111100011001110100011010…
…0011101011100010101011000
32120200020010120110122021112012
41320303220310131130111120
51024120022241214434230
65122002155140005052
7216625114545162221
oct17063506435342530
92520203513567465
10531314104452440
111443250566a6981
124b710296690788
1319a6092204b4ca
14952ba50298248
154165a749b4395
hex1e33a3475c558

531314104452440 has 16 divisors (see below), whose sum is σ = 1195456735018080. Its totient is φ = 212525641780960.

The previous prime is 531314104452419. The next prime is 531314104452503. The reversal of 531314104452440 is 44254401413135.

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, 6641426305616 + ... + 6641426305695.

It is an arithmetic number, because the mean of its divisors is an integer number (74716045938630).

Almost surely, 2531314104452440 is an apocalyptic number.

It is an amenable number.

531314104452440 is an abundant number, since it is smaller than the sum of its proper divisors (664142630565640).

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

531314104452440 is a wasteful number, since it uses less digits than its factorization.

531314104452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13282852611322 (or 13282852611318 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 531314104452440 its reverse (44254401413135), we get a palindrome (575568505865575).

The spelling of 531314104452440 in words is "five hundred thirty-one trillion, three hundred fourteen billion, one hundred four million, four hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 13282852611311 26565705222622 53131410445244 66414263056555 106262820890488 132828526113110 265657052226220 531314104452440