Search a number
-
+
531118611021407 = 4360912027843639
BaseRepresentation
bin111100011000011001011000…
…0001001001011111001011111
32120122112102222012021000110112
41320300302300021023321133
51024103321403410141112
65121332304353200235
7216605024205345233
oct17060626011137137
92518472865230415
10531118611021407
1114425a157762742
124b69a41826007b
1319a48368595ab6
1495223c69125c3
154160931ec9a22
hex1e30cb024be5f

531118611021407 has 8 divisors (see below), whose sum is σ = 543559432014720. Its totient is φ = 518681845727640.

The previous prime is 531118611021371. The next prime is 531118611021463. The reversal of 531118611021407 is 704120116811135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531118611021407 - 214 = 531118611005023 is a prime.

It is a super-3 number, since 3×5311186110214073 (a number of 45 digits) contains 333 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 (531118611021487) 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, 1013659907 + ... + 1014183732.

It is an arithmetic number, because the mean of its divisors is an integer number (67944929001840).

Almost surely, 2531118611021407 is an apocalyptic number.

531118611021407 is a deficient number, since it is larger than the sum of its proper divisors (12440820993313).

531118611021407 is a wasteful number, since it uses less digits than its factorization.

531118611021407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027849773.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 531118611021407 in words is "five hundred thirty-one trillion, one hundred eighteen billion, six hundred eleven million, twenty-one thousand, four hundred seven".

Divisors: 1 43 6091 261913 2027843639 87197276477 12351595605149 531118611021407