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30122023202 = 215061011601
BaseRepresentation
bin11100000011011010…
…011001100100100010
32212202020220022201222
4130003122121210202
5443142214220302
621500551255042
72114310654425
oct340332314442
985666808658
1030122023202
1111858107957
125a0797a482
132ac0749b8b
14165a72d9bc
15bb46cdda2
hex703699922

30122023202 has 4 divisors (see below), whose sum is σ = 45183034806. Its totient is φ = 15061011600.

The previous prime is 30122023171. The next prime is 30122023219. The reversal of 30122023202 is 20232022103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20232022103 = 118717044669.

It can be written as a sum of positive squares in only one way, i.e., 19463319121 + 10658704081 = 139511^2 + 103241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530505799 + ... + 7530505802.

Almost surely, 230122023202 is an apocalyptic number.

30122023202 is a deficient number, since it is larger than the sum of its proper divisors (15061011604).

30122023202 is a wasteful number, since it uses less digits than its factorization.

30122023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061011603.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30122023202 its reverse (20232022103), we get a palindrome (50354045305).

The spelling of 30122023202 in words is "thirty billion, one hundred twenty-two million, twenty-three thousand, two hundred two".

Divisors: 1 2 15061011601 30122023202