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30012013000 = 2353293073371
BaseRepresentation
bin11011111100110110…
…101111100111001000
32212110120220020010001
4123330312233213020
5442431033404000
621442021332344
72111503621114
oct337466574710
985416806101
1030012013000
1111800aa9632
125996b670b4
132aa3a0cc98
141649c94744
15ba9bed46a
hex6fcdaf9c8

30012013000 has 128 divisors (see below), whose sum is σ = 72908035200. Its totient is φ = 11549664000.

The previous prime is 30012012991. The next prime is 30012013037. The reversal of 30012013000 is 31021003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8901315 + ... + 8904685.

It is an arithmetic number, because the mean of its divisors is an integer number (569594025).

Almost surely, 230012013000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36454017600).

30012013000 is an abundant number, since it is smaller than the sum of its proper divisors (42896022200).

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

30012013000 is a wasteful number, since it uses less digits than its factorization.

30012013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 30012013000 its reverse (31021003), we get a palindrome (30043034003).

The spelling of 30012013000 in words is "thirty billion, twelve million, thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 125 145 200 232 250 290 307 500 580 614 725 1000 1160 1228 1450 1535 2456 2900 3070 3371 3625 5800 6140 6742 7250 7675 8903 12280 13484 14500 15350 16855 17806 26968 29000 30700 33710 35612 38375 44515 61400 67420 71224 76750 84275 89030 97759 134840 153500 168550 178060 195518 222575 307000 337100 356120 391036 421375 445150 488795 674200 782072 842750 890300 977590 1034897 1112875 1685500 1780600 1955180 2069794 2225750 2443975 3371000 3910360 4139588 4451500 4887950 5174485 8279176 8903000 9775900 10348970 12219875 19551800 20697940 24439750 25872425 30012013 41395880 48879500 51744850 60024026 97759000 103489700 120048052 129362125 150060065 206979400 240096104 258724250 300120130 517448500 600240260 750300325 1034897000 1200480520 1500600650 3001201300 3751501625 6002402600 7503003250 15006006500 30012013000