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31432154044 = 227858038511
BaseRepresentation
bin11101010001100000…
…001001101110111100
310000010120010212101111
4131101200021232330
51003333112412134
622234552051404
72161626621034
oct352140115674
9100116125344
1031432154044
111236a6a4615
126112693b64
132c6bcc1125
14174272a8c4
15c3e720c64
hex751809bbc

31432154044 has 6 divisors (see below), whose sum is σ = 55006269584. Its totient is φ = 15716077020.

The previous prime is 31432154011. The next prime is 31432154093. The reversal of 31432154044 is 44045123413.

It is a super-3 number, since 3×314321540443 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31432153997 and 31432154015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3929019252 + ... + 3929019259.

Almost surely, 231432154044 is an apocalyptic number.

It is an amenable number.

31432154044 is a deficient number, since it is larger than the sum of its proper divisors (23574115540).

31432154044 is a wasteful number, since it uses less digits than its factorization.

31432154044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858038515 (or 7858038513 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 31432154044 its reverse (44045123413), we get a palindrome (75477277457).

The spelling of 31432154044 in words is "thirty-one billion, four hundred thirty-two million, one hundred fifty-four thousand, forty-four".

Divisors: 1 2 4 7858038511 15716077022 31432154044