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30012033030 = 23572107190807
BaseRepresentation
bin11011111100110110…
…110100100000000110
32212110120221020120220
4123330312310200012
5442431040024110
621442022005210
72111504033400
oct337466644006
985416836526
1030012033030
1111801012691
125996b76806
132aa3a19135
141649c9bb70
15ba9c04370
hex6fcdb4806

30012033030 has 96 divisors (see below), whose sum is σ = 84572211456. Its totient is φ = 6795746496.

The previous prime is 30012033017. The next prime is 30012033049. The reversal of 30012033030 is 3033021003.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61887 + ... + 252693.

It is an arithmetic number, because the mean of its divisors is an integer number (880960536).

Almost surely, 230012033030 is an apocalyptic number.

30012033030 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 30012033030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42286105728).

30012033030 is an abundant number, since it is smaller than the sum of its proper divisors (54560178426).

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

30012033030 is a wasteful number, since it uses less digits than its factorization.

30012033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190938 (or 190931 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 30012033030 its reverse (3033021003), we get a palindrome (33045054033).

The spelling of 30012033030 in words is "thirty billion, twelve million, thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 107 147 210 214 245 294 321 490 535 642 735 749 1070 1470 1498 1605 2247 3210 3745 4494 5243 7490 10486 11235 15729 22470 26215 31458 52430 78645 157290 190807 381614 572421 954035 1144842 1335649 1908070 2671298 2862105 4006947 5724210 6678245 8013894 9349543 13356490 18699086 20034735 20416349 28048629 40069470 40832698 46747715 56097258 61249047 93495430 102081745 122498094 140243145 142914443 204163490 280486290 285828886 306245235 428743329 612490470 714572215 857486658 1000401101 1429144430 2000802202 2143716645 3001203303 4287433290 5002005505 6002406606 10004011010 15006016515 30012033030