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21003002202301 = 747209293050261
BaseRepresentation
bin1001100011010001001000…
…11111000100100010111101
32202100212102100001121110121
410301220210133010202331
510223103122030433201
6112400351312134541
74265262655045210
oct461504437044275
982325370047417
1021003002202301
116768361217a59
122432632b37451
13b94761555332
1452879d2c1777
15266509e789a1
hex131a247c48bd

21003002202301 has 16 divisors (see below), whose sum is σ = 24515321725440. Its totient is φ = 17618692193280.

The previous prime is 21003002202223. The next prime is 21003002202353. The reversal of 21003002202301 is 10320220030012.

It is a cyclic number.

It is not a de Polignac number, because 21003002202301 - 217 = 21003002071229 is a prime.

It is a super-2 number, since 2×210030022023012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003002202001) 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, 5360511 + ... + 8410771.

It is an arithmetic number, because the mean of its divisors is an integer number (1532207607840).

Almost surely, 221003002202301 is an apocalyptic number.

It is an amenable number.

21003002202301 is a deficient number, since it is larger than the sum of its proper divisors (3512319523139).

21003002202301 is a wasteful number, since it uses less digits than its factorization.

21003002202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071244.

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

Adding to 21003002202301 its reverse (10320220030012), we get a palindrome (31323222232313).

The spelling of 21003002202301 in words is "twenty-one trillion, three billion, two million, two hundred two thousand, three hundred one".

Divisors: 1 7 47 329 20929 146503 983663 3050261 6885641 21351827 143362267 1003535869 63838912469 446872387283 3000428886043 21003002202301