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30102212202311 = 169003178116437
BaseRepresentation
bin1101101100000101101111…
…01010100100111101000111
310221120202001220222121210202
412312002313222210331013
512421143312310433221
6144004433153241115
76224545610645144
oct666026752447507
9127522056877722
1030102212202311
119656305030527
123462015b6319b
1313a481b363432
14760d521433cb
15373063340d0b
hex1b60b7aa4f47

30102212202311 has 4 divisors (see below), whose sum is σ = 30102390487752. Its totient is φ = 30102033916872.

The previous prime is 30102212202301. The next prime is 30102212202409. The reversal of 30102212202311 is 11320221220103.

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

It is a cyclic number.

It is not a de Polignac number, because 30102212202311 - 210 = 30102212201287 is a prime.

It is a super-2 number, since 2×301022122023112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102212202301) 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, 88889216 + ... + 89227221.

It is an arithmetic number, because the mean of its divisors is an integer number (7525597621938).

Almost surely, 230102212202311 is an apocalyptic number.

30102212202311 is a deficient number, since it is larger than the sum of its proper divisors (178285441).

30102212202311 is a wasteful number, since it uses less digits than its factorization.

30102212202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178285440.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30102212202311 its reverse (11320221220103), we get a palindrome (41422433422414).

The spelling of 30102212202311 in words is "thirty trillion, one hundred two billion, two hundred twelve million, two hundred two thousand, three hundred eleven".

Divisors: 1 169003 178116437 30102212202311