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30020000212231 = 953929587106367
BaseRepresentation
bin1101101001101100100110…
…11100101110010100000111
310221021212212102121210212021
412310312103130232110013
512413321430023242411
6143502555301104011
76215605406365651
oct664662334562407
9127255772553767
1030020000212231
119624457555577
12344a0b13b8007
131399b48b8c663
1475ad936c96d1
15370d50a87a71
hex1b4d9372e507

30020000212231 has 8 divisors (see below), whose sum is σ = 30024444303360. Its totient is φ = 30015556412088.

The previous prime is 30020000212201. The next prime is 30020000212247. The reversal of 30020000212231 is 13221200002003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30020000212231 is a prime.

It is a super-2 number, since 2×300200002122312 (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 (30020000212201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282177210 + ... + 282283576.

It is an arithmetic number, because the mean of its divisors is an integer number (3753055537920).

Almost surely, 230020000212231 is an apocalyptic number.

30020000212231 is a deficient number, since it is larger than the sum of its proper divisors (4444091129).

30020000212231 is a wasteful number, since it uses less digits than its factorization.

30020000212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145493.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30020000212231 its reverse (13221200002003), we get a palindrome (43241200214234).

The spelling of 30020000212231 in words is "thirty trillion, twenty billion, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 9539 29587 106367 282230393 1014634813 3147080429 30020000212231