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30006316120 = 235112310132927
BaseRepresentation
bin11011111100100001…
…000000110001011000
32212110012011210110111
4123330201000301120
5442423104103440
621441255254104
72111404323124
oct337441006130
985405153414
1030006316120
11117a8868470
12599507a334
132aa2796c51
141649210584
15ba94754ea
hex6fc840c58

30006316120 has 128 divisors (see below), whose sum is σ = 76956272640. Its totient is φ = 10423114240.

The previous prime is 30006316117. The next prime is 30006316121. The reversal of 30006316120 is 2161360003.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30006316091 and 30006316100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30006316121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10250097 + ... + 10253023.

It is an arithmetic number, because the mean of its divisors is an integer number (601220880).

Almost surely, 230006316120 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 30006316120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38478136320).

30006316120 is an abundant number, since it is smaller than the sum of its proper divisors (46949956520).

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

30006316120 is a wasteful number, since it uses less digits than its factorization.

30006316120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985 (or 3981 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30006316120 its reverse (2161360003), we get a palindrome (32167676123).

The spelling of 30006316120 in words is "thirty billion, six million, three hundred sixteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 23 40 44 46 55 88 92 110 115 184 220 230 253 440 460 506 920 1012 1013 1265 2024 2026 2530 2927 4052 5060 5065 5854 8104 10120 10130 11143 11708 14635 20260 22286 23299 23416 29270 32197 40520 44572 46598 55715 58540 64394 67321 89144 93196 111430 116495 117080 128788 134642 160985 186392 222860 232990 256289 257576 269284 321970 336605 445720 465980 512578 538568 643940 673210 740531 931960 1025156 1281445 1287880 1346420 1481062 2050312 2562890 2692840 2962124 2965051 3702655 5125780 5924248 5930102 7405310 10251560 11860204 14810620 14825255 23720408 29621240 29650510 32615561 59301020 65231122 68196173 118602040 130462244 136392346 163077805 260924488 272784692 326155610 340980865 545569384 652311220 681961730 750157903 1304622440 1363923460 1500315806 2727846920 3000631612 3750789515 6001263224 7501579030 15003158060 30006316120