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21301142401012 = 22199719914519929
BaseRepresentation
bin1001101011111100011110…
…00001101010111111110100
32210102100222020102221110111
410311332033001222333310
510242444214423313022
6113145335411232404
74325646110654425
oct465761701527764
983370866387414
1021301142401012
116872844624aa1
1224803795a8704
13bb68c5c864b6
14538da342164c
1526e15921a477
hex135f8f06aff4

21301142401012 has 48 divisors (see below), whose sum is σ = 39842687920000. Its totient is φ = 9935812491264.

The previous prime is 21301142400983. The next prime is 21301142401051. The reversal of 21301142401012 is 21010424110312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792937 + ... + 8726992.

Almost surely, 221301142401012 is an apocalyptic number.

It is an amenable number.

21301142401012 is a deficient number, since it is larger than the sum of its proper divisors (18541545518988).

21301142401012 is a wasteful number, since it uses less digits than its factorization.

21301142401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520248 (or 14520246 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21301142401012 its reverse (21010424110312), we get a palindrome (42311566511324).

The spelling of 21301142401012 in words is "twenty-one trillion, three hundred one billion, one hundred forty-two million, four hundred one thousand, twelve".

Divisors: 1 2 4 19 38 76 97 194 199 388 398 796 1843 3686 3781 7372 7562 15124 19303 38606 77212 366757 733514 1467028 14519929 29039858 58079716 275878651 551757302 1103514604 1408433113 2816866226 2889465871 5633732452 5778931742 11557863484 26760229147 53520458294 54899851549 107040916588 109799703098 219599406196 280278189487 560556378974 1121112757948 5325285600253 10650571200506 21301142401012