Search a number
-
+
31545200354 = 223965994143
BaseRepresentation
bin11101011000001111…
…011000111011100010
310000102102212012202212
4131120033120323202
51004101032402404
622254111042122
72164501531103
oct353017307342
9100372765685
1031545200354
1112418496a18
126144510342
132c89551c35
1417537563aa
15c4960106e
hex7583d8ee2

31545200354 has 8 divisors (see below), whose sum is σ = 47515783680. Its totient is φ = 15706605796.

The previous prime is 31545200311. The next prime is 31545200359. The reversal of 31545200354 is 45300254513.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31545200354.

It is not an unprimeable number, because it can be changed into a prime (31545200359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32996594 + ... + 32997549.

It is an arithmetic number, because the mean of its divisors is an integer number (5939472960).

Almost surely, 231545200354 is an apocalyptic number.

31545200354 is a deficient number, since it is larger than the sum of its proper divisors (15970583326).

31545200354 is a wasteful number, since it uses less digits than its factorization.

31545200354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65994384.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 31545200354 its reverse (45300254513), we get a palindrome (76845454867).

The spelling of 31545200354 in words is "thirty-one billion, five hundred forty-five million, two hundred thousand, three hundred fifty-four".

Divisors: 1 2 239 478 65994143 131988286 15772600177 31545200354