Search a number
-
+
30021321010 = 2531137706883
BaseRepresentation
bin11011111101011010…
…010000000100110010
32212111020102010022011
4123331122100010302
5442440424233020
621442553033134
72111646006142
oct337532200462
985436363264
1030021321010
11118062868aa
12599a0b57aa
132aa591b895
14164b1d8922
15baa93b35a
hex6fd690132

30021321010 has 32 divisors (see below), whose sum is σ = 56188795392. Its totient is φ = 11536314240.

The previous prime is 30021320999. The next prime is 30021321019. The reversal of 30021321010 is 1012312003.

It is not an unprimeable number, because it can be changed into a prime (30021321019) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 310972 + ... + 395911.

It is an arithmetic number, because the mean of its divisors is an integer number (1755899856).

Almost surely, 230021321010 is an apocalyptic number.

30021321010 is a deficient number, since it is larger than the sum of its proper divisors (26167474382).

30021321010 is a wasteful number, since it uses less digits than its factorization.

30021321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707058.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30021321010 its reverse (1012312003), we get a palindrome (31033633013).

The spelling of 30021321010 in words is "thirty billion, twenty-one million, three hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 31 62 137 155 274 310 685 1370 4247 8494 21235 42470 706883 1413766 3534415 7068830 21913373 43826746 96842971 109566865 193685942 219133730 484214855 968429710 3002132101 6004264202 15010660505 30021321010