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30120233120 = 2552112393733
BaseRepresentation
bin11100000011010011…
…100100100010100000
32212202010112101012122
4130003103210202200
5443141234424440
621500445043412
72114256520505
oct340323444240
985663471178
1030120233120
11118570a4a4a
125a07256568
132ac0271163
14165a3c54ac
15bb44787b5
hex7034e48a0

30120233120 has 96 divisors (see below), whose sum is σ = 71814677760. Its totient is φ = 11937623040.

The previous prime is 30120233047. The next prime is 30120233137. The reversal of 30120233120 is 2133202103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8066774 + ... + 8070506.

It is an arithmetic number, because the mean of its divisors is an integer number (748069560).

Almost surely, 230120233120 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 30120233120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35907338880).

30120233120 is an abundant number, since it is smaller than the sum of its proper divisors (41694444640).

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

30120233120 is a wasteful number, since it uses less digits than its factorization.

30120233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30120233120 its reverse (2133202103), we get a palindrome (32253435223).

The spelling of 30120233120 in words is "thirty billion, one hundred twenty million, two hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 211 239 422 478 844 956 1055 1195 1688 1912 2110 2390 3376 3733 3824 4220 4780 6752 7466 7648 8440 9560 14932 16880 18665 19120 29864 33760 37330 38240 50429 59728 74660 100858 119456 149320 201716 252145 298640 403432 504290 597280 787663 806864 892187 1008580 1575326 1613728 1784374 2017160 3150652 3568748 3938315 4034320 4460935 6301304 7137496 7876630 8068640 8921870 12602608 14274992 15753260 17843740 25205216 28549984 31506520 35687480 63013040 71374960 126026080 142749920 188251457 376502914 753005828 941257285 1506011656 1882514570 3012023312 3765029140 6024046624 7530058280 15060116560 30120233120