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30124020012 = 2234771752273
BaseRepresentation
bin11100000011100010…
…000001000100101100
32212202101122202211220
4130003202001010230
5443143222120022
621501102143340
72114333642142
oct340342010454
985671582756
1030124020012
1111859251109
125a08581b50
132ac0c98a18
14165aacd592
15bb497585c
hex70388112c

30124020012 has 48 divisors (see below), whose sum is σ = 72796050432. Its totient is φ = 9689263360.

The previous prime is 30124019999. The next prime is 30124020067. The reversal of 30124020012 is 21002042103.

It is a junction number, because it is equal to n+sod(n) for n = 30124019973 and 30124020000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336093 + ... + 416180.

It is an arithmetic number, because the mean of its divisors is an integer number (1516584384).

Almost surely, 230124020012 is an apocalyptic number.

It is an amenable number.

30124020012 is an abundant number, since it is smaller than the sum of its proper divisors (42672030420).

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

30124020012 is a wasteful number, since it uses less digits than its factorization.

30124020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752398 (or 752396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30124020012 its reverse (21002042103), we get a palindrome (51126062115).

The spelling of 30124020012 in words is "thirty billion, one hundred twenty-four million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 47 71 94 141 142 188 213 282 284 426 564 852 3337 6674 10011 13348 20022 40044 752273 1504546 2256819 3009092 4513638 9027276 35356831 53411383 70713662 106070493 106822766 141427324 160234149 212140986 213645532 320468298 424281972 640936596 2510335001 5020670002 7531005003 10041340004 15062010006 30124020012