Search a number
-
+
31068055581554 = 2471254726341853
BaseRepresentation
bin1110001000001100110000…
…11010101011001101110010
311002000002002012200221011202
413010012120122223031302
513033004334212102204
6150024245005011202
76354410244135365
oct704063032531562
9132002065627152
1031068055581554
119998985484722
123599244b53b02
131444922068b74
147959b809c0dc
1538d2410bbe1e
hex1c41986ab372

31068055581554 has 16 divisors (see below), whose sum is σ = 47597412094848. Its totient is φ = 15202304258832.

The previous prime is 31068055581491. The next prime is 31068055581599. The reversal of 31068055581554 is 45518555086013.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31068055581554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11991509 + ... + 14350344.

It is an arithmetic number, because the mean of its divisors is an integer number (2974838255928).

Almost surely, 231068055581554 is an apocalyptic number.

31068055581554 is a deficient number, since it is larger than the sum of its proper divisors (16529356513294).

31068055581554 is a wasteful number, since it uses less digits than its factorization.

31068055581554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26354449.

The product of its (nonzero) digits is 14400000, while the sum is 56.

The spelling of 31068055581554 in words is "thirty-one trillion, sixty-eight billion, fifty-five million, five hundred eighty-one thousand, five hundred fifty-four".

Divisors: 1 2 47 94 12547 25094 589709 1179418 26341853 52683706 1238067091 2476134182 330511229591 661022459182 15534027790777 31068055581554