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30202121001322 = 215101060500661
BaseRepresentation
bin1101101110111111110101…
…01100011001100101101010
310221221021221202000110211001
412313133322230121211222
512424312420434020242
6144122355101425214
76235013466506434
oct667377254314552
9127837852013731
1030202121001322
119694713a34a06
12347945926b20a
1313b1080cc039a
14765b0d023654
1537595e562eb7
hex1b77fab1996a

30202121001322 has 4 divisors (see below), whose sum is σ = 45303181501986. Its totient is φ = 15101060500660.

The previous prime is 30202121001263. The next prime is 30202121001329. The reversal of 30202121001322 is 22310012120203.

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

It can be written as a sum of positive squares in only one way, i.e., 15997672084681 + 14204448916641 = 3999709^2 + 3768879^2 .

It is a super-2 number, since 2×302021210013222 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30202121001322.

It is not an unprimeable number, because it can be changed into a prime (30202121001329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7550530250329 + ... + 7550530250332.

Almost surely, 230202121001322 is an apocalyptic number.

30202121001322 is a deficient number, since it is larger than the sum of its proper divisors (15101060500664).

30202121001322 is a wasteful number, since it uses less digits than its factorization.

30202121001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15101060500663.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30202121001322 its reverse (22310012120203), we get a palindrome (52512133121525).

The spelling of 30202121001322 in words is "thirty trillion, two hundred two billion, one hundred twenty-one million, one thousand, three hundred twenty-two".

Divisors: 1 2 15101060500661 30202121001322