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302012120030 = 2583935996677
BaseRepresentation
bin1000110010100010101…
…00110011101111011110
31001212112202002022112012
410121101110303233132
514422010100320110
6350424211511222
730551066443445
oct4312124635736
91055482068465
10302012120030
1110709aa71915
124a6472b8512
132263095a78a
1410890473d5c
157cc9167905
hex4651533bde

302012120030 has 16 divisors (see below), whose sum is σ = 544269771360. Its totient is φ = 120660857952.

The previous prime is 302012119993. The next prime is 302012120051. The reversal of 302012120030 is 30021210203.

It is a happy number.

It is a super-2 number, since 2×3020121200302 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302012119987 and 302012120014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17989949 + ... + 18006728.

It is an arithmetic number, because the mean of its divisors is an integer number (34016860710).

Almost surely, 2302012120030 is an apocalyptic number.

302012120030 is a deficient number, since it is larger than the sum of its proper divisors (242257651330).

302012120030 is a wasteful number, since it uses less digits than its factorization.

302012120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35997523.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 302012120030 its reverse (30021210203), we get a palindrome (332033330233).

The spelling of 302012120030 in words is "three hundred two billion, twelve million, one hundred twenty thousand, thirty".

Divisors: 1 2 5 10 839 1678 4195 8390 35996677 71993354 179983385 359966770 30201212003 60402424006 151006060015 302012120030