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30021200031310 = 2537467317363231
BaseRepresentation
bin1101101001101110110101…
…11101101010111001001110
310221021222222001021221012221
412310313122331222321032
512413331404202000220
6143503314321245554
76215650215601525
oct664673275527116
9127258861257187
1030021200031310
119624a12848394
12344a3871938ba
131399caa61c687
1475b068bad4bc
15370dc10899aa
hex1b4ddaf6ae4e

30021200031310 has 32 divisors (see below), whose sum is σ = 55510530515712. Its totient is φ = 11681425520640.

The previous prime is 30021200031299. The next prime is 30021200031313. The reversal of 30021200031310 is 1313000212003.

It is a super-2 number, since 2×300212000313102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021200031313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6952606 + ... + 10410625.

It is an arithmetic number, because the mean of its divisors is an integer number (1734704078616).

Almost surely, 230021200031310 is an apocalyptic number.

30021200031310 is a deficient number, since it is larger than the sum of its proper divisors (25489330484402).

30021200031310 is a wasteful number, since it uses less digits than its factorization.

30021200031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367948.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30021200031310 its reverse (1313000212003), we get a palindrome (31334200243313).

The spelling of 30021200031310 in words is "thirty trillion, twenty-one billion, two hundred million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 37 74 185 370 4673 9346 23365 46730 172901 345802 864505 1729010 17363231 34726462 86816155 173632310 642439547 1284879094 3212197735 6424395470 81138378463 162276756926 405691892315 811383784630 3002120003131 6004240006262 15010600015655 30021200031310