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30122023218 = 2371543464803
BaseRepresentation
bin11100000011011010…
…011001100100110010
32212202020220022202120
4130003122121210302
5443142214220333
621500551255110
72114310654450
oct340332314462
985666808676
1030122023218
1111858107971
125a0797a496
132ac0749ba1
14165a72d9d0
15bb46cddb3
hex703699932

30122023218 has 32 divisors (see below), whose sum is σ = 68895108096. Its totient is φ = 8600696208.

The previous prime is 30122023171. The next prime is 30122023219. The reversal of 30122023218 is 81232022103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30122023219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167596 + ... + 297207.

It is an arithmetic number, because the mean of its divisors is an integer number (2152972128).

Almost surely, 230122023218 is an apocalyptic number.

30122023218 is an abundant number, since it is smaller than the sum of its proper divisors (38773084878).

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

30122023218 is a wasteful number, since it uses less digits than its factorization.

30122023218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466358.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 30122023218 in words is "thirty billion, one hundred twenty-two million, twenty-three thousand, two hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 1543 3086 4629 9258 10801 21602 32403 64806 464803 929606 1394409 2788818 3253621 6507242 9760863 19521726 717191029 1434382058 2151573087 4303146174 5020337203 10040674406 15061011609 30122023218