Search a number
-
+
31447317300 = 22352714974913
BaseRepresentation
bin11101010010011001…
…111111101100110100
310000011121200020110120
4131102121333230310
51003401003123200
622240253051540
72162202533550
oct352231775464
9100147606416
1031447317300
1112378210a33
126117786bb0
132c7219cb79
141744756860
15c40c189a0
hex75267fb34

31447317300 has 72 divisors (see below), whose sum is σ = 103985802816. Its totient is φ = 7187957760.

The previous prime is 31447317269. The next prime is 31447317313. The reversal of 31447317300 is 371374413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7485357 + ... + 7489556.

Almost surely, 231447317300 is an apocalyptic number.

31447317300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31447317300 is an abundant number, since it is smaller than the sum of its proper divisors (72538485516).

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

31447317300 is a wasteful number, since it uses less digits than its factorization.

31447317300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974937 (or 14974930 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 31447317300 in words is "thirty-one billion, four hundred forty-seven million, three hundred seventeen thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 14974913 29949826 44924739 59899652 74874565 89849478 104824391 149749130 179698956 209648782 224623695 299498260 314473173 374372825 419297564 449247390 524121955 628946346 748745650 898494780 1048243910 1123118475 1257892692 1497491300 1572365865 2096487820 2246236950 2620609775 3144731730 4492473900 5241219550 6289463460 7861829325 10482439100 15723658650 31447317300