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30100031010 = 2325747777827
BaseRepresentation
bin11100000010000110…
…100000011000100010
32212200201112000010100
4130002012200120202
5443121101443020
621454444043230
72113623020310
oct340206403042
985621460110
1030100031010
1111846756895
125a00533516
132ab9019a4a
1416578470b0
15bb27d7a90
hex7021a0622

30100031010 has 48 divisors (see below), whose sum is σ = 89440094016. Its totient is φ = 6880006944.

The previous prime is 30100030993. The next prime is 30100031011. The reversal of 30100031010 is 1013000103.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30100030983 and 30100031001.

It is not an unprimeable number, because it can be changed into a prime (30100031011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23888284 + ... + 23889543.

It is an arithmetic number, because the mean of its divisors is an integer number (1863335292).

Almost surely, 230100031010 is an apocalyptic number.

30100031010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30100031010 is an abundant number, since it is smaller than the sum of its proper divisors (59340063006).

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

30100031010 is a wasteful number, since it uses less digits than its factorization.

30100031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47777847 (or 47777844 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 30100031010 its reverse (1013000103), we get a palindrome (31113031113).

The spelling of 30100031010 in words is "thirty billion, one hundred million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 47777827 95555654 143333481 238889135 286666962 334444789 430000443 477778270 668889578 716667405 860000886 1003334367 1433334810 1672223945 2006668734 2150002215 3010003101 3344447890 4300004430 5016671835 6020006202 10033343670 15050015505 30100031010