Search a number
-
+
30032321010 = 23543591972003
BaseRepresentation
bin11011111110000100…
…001101100111110010
32212112000002222110120
4123332010031213302
5443001233233020
621444024511110
72112141342126
oct337604154762
985460088416
1030032321010
111181150a30a
1259a191b496
132aa7ca0663
14164c85d586
15bab8b0740
hex6fe10d9f2

30032321010 has 128 divisors (see below), whose sum is σ = 75422223360. Its totient is φ = 7646935296.

The previous prime is 30032321009. The next prime is 30032321017. The reversal of 30032321010 is 1012323003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30032321017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14992669 + ... + 14994671.

It is an arithmetic number, because the mean of its divisors is an integer number (589236120).

Almost surely, 230032321010 is an apocalyptic number.

30032321010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30032321010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37711111680).

30032321010 is an abundant number, since it is smaller than the sum of its proper divisors (45389902350).

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

30032321010 is a wasteful number, since it uses less digits than its factorization.

30032321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30032321010 its reverse (1012323003), we get a palindrome (31044644013).

The spelling of 30032321010 in words is "thirty billion, thirty-two million, three hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 43 59 86 118 129 177 197 215 258 295 354 394 430 590 591 645 885 985 1182 1290 1770 1970 2003 2537 2955 4006 5074 5910 6009 7611 8471 10015 11623 12018 12685 15222 16942 20030 23246 25370 25413 30045 34869 38055 42355 50826 58115 60090 69738 76110 84710 86129 116230 118177 127065 172258 174345 236354 254130 258387 348690 354531 394591 430645 499789 516774 590885 709062 789182 861290 999578 1181770 1183773 1291935 1499367 1772655 1972955 2367546 2498945 2583870 2998734 3545310 3945910 4997890 5081611 5918865 7496835 10163222 11837730 14993670 15244833 16967413 23280869 25408055 30489666 33934826 46561738 50816110 50902239 69842607 76224165 84837065 101804478 116404345 139685214 152448330 169674130 232808690 254511195 349213035 509022390 698426070 1001077367 2002154734 3003232101 5005386835 6006464202 10010773670 15016160505 30032321010