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30123231002 = 283604330029
BaseRepresentation
bin11100000011011111…
…000000011100011010
32212202100011200112022
4130003133000130122
5443143021343002
621501033214442
72114324144624
oct340337003432
985670150468
1030123231002
1111858862337
125a08261422
132ac0a80857
14165a965c14
15bb486bba2
hex7037c071a

30123231002 has 16 divisors (see below), whose sum is σ = 45738332640. Its totient is φ = 14877192432.

The previous prime is 30123231001. The next prime is 30123231013. The reversal of 30123231002 is 20013232103.

It is not an unprimeable number, because it can be changed into a prime (30123231001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988124 + ... + 1018152.

It is an arithmetic number, because the mean of its divisors is an integer number (2858645790).

Almost surely, 230123231002 is an apocalyptic number.

30123231002 is a deficient number, since it is larger than the sum of its proper divisors (15615101638).

30123231002 is a wasteful number, since it uses less digits than its factorization.

30123231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36157.

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

Adding to 30123231002 its reverse (20013232103), we get a palindrome (50136463105).

The spelling of 30123231002 in words is "thirty billion, one hundred twenty-three million, two hundred thirty-one thousand, two".

Divisors: 1 2 83 166 6043 12086 30029 60058 501569 1003138 2492407 4984814 181465247 362930494 15061615501 30123231002