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302012004121 = 614951016461
BaseRepresentation
bin1000110010100010101…
…00010111011100011001
31001212112201212102112021
410121101110113130121
514422010033112441
6350424205214441
730551065451512
oct4312124273431
91055481772467
10302012004121
1110709a9a2823
124a647261421
1322630919aa9
1410890443a09
157cc91433d1
hex4651517719

302012004121 has 4 divisors (see below), whose sum is σ = 306963020644. Its totient is φ = 297060987600.

The previous prime is 302012004101. The next prime is 302012004127. The reversal of 302012004121 is 121400210203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96386032521 + 205625971600 = 310461^2 + 453460^2 .

It is a cyclic number.

It is not a de Polignac number, because 302012004121 - 211 = 302012002073 is a prime.

It is a super-2 number, since 2×3020120041212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302012004095 and 302012004104.

It is not an unprimeable number, because it can be changed into a prime (302012004127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475508170 + ... + 2475508291.

It is an arithmetic number, because the mean of its divisors is an integer number (76740755161).

Almost surely, 2302012004121 is an apocalyptic number.

It is an amenable number.

302012004121 is a deficient number, since it is larger than the sum of its proper divisors (4951016523).

302012004121 is an equidigital number, since it uses as much as digits as its factorization.

302012004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951016522.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 302012004121 its reverse (121400210203), we get a palindrome (423412214324).

The spelling of 302012004121 in words is "three hundred two billion, twelve million, four thousand, one hundred twenty-one".

Divisors: 1 61 4951016461 302012004121