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6002121001 = 28433211097
BaseRepresentation
bin1011001011100000…
…10001100100101001
3120111022001100010211
411211300101210221
544243020333001
62431330141121
7301511121022
oct54560214451
916438040124
106002121001
11260004a388
1211b61217a1
1374865c2b6
1440d201c49
15251e06351
hex165c11929

6002121001 has 4 divisors (see below), whose sum is σ = 6002360532. Its totient is φ = 6001881472.

The previous prime is 6002120983. The next prime is 6002121029. The reversal of 6002121001 is 1001212006.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1001212006 = 2500606003.

It can be written as a sum of positive squares in 2 ways, for example, as 2556313600 + 3445807401 = 50560^2 + 58701^2 .

It is a cyclic number.

It is not a de Polignac number, because 6002121001 - 221 = 6000023849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6002121091) 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, 77116 + ... + 133981.

It is an arithmetic number, because the mean of its divisors is an integer number (1500590133).

Almost surely, 26002121001 is an apocalyptic number.

It is an amenable number.

6002121001 is a deficient number, since it is larger than the sum of its proper divisors (239531).

6002121001 is a wasteful number, since it uses less digits than its factorization.

6002121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239530.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 6002121001 is about 77473.3567170030. The cubic root of 6002121001 is about 1817.3346850844.

Adding to 6002121001 its reverse (1001212006), we get a palindrome (7003333007).

The spelling of 6002121001 in words is "six billion, two million, one hundred twenty-one thousand, one".

Divisors: 1 28433 211097 6002121001