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21031000022301 = 344471576418561
BaseRepresentation
bin1001100100000101010010…
…10010010001110100011101
32202110112200112220020012220
410302002221102101310131
510224032442001203201
6112421301422415553
74300303533432453
oct462025122216435
982415615806186
1021031000022301
116779219265575
122437b474315b9
13b972a3b8ba29
14529c978649d3
152670e7e0e036
hex1320a9491d1d

21031000022301 has 8 divisors (see below), whose sum is σ = 28047639055104. Its totient is φ = 14017513835520.

The previous prime is 21031000022257. The next prime is 21031000022303. The reversal of 21031000022301 is 10322000013012.

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

It is not a de Polignac number, because 21031000022301 - 211 = 21031000020253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031000022303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788195940 + ... + 788222621.

It is an arithmetic number, because the mean of its divisors is an integer number (3505954881888).

Almost surely, 221031000022301 is an apocalyptic number.

It is an amenable number.

21031000022301 is a deficient number, since it is larger than the sum of its proper divisors (7016639032803).

21031000022301 is a wasteful number, since it uses less digits than its factorization.

21031000022301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576423011.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21031000022301 its reverse (10322000013012), we get a palindrome (31353000035313).

The spelling of 21031000022301 in words is "twenty-one trillion, thirty-one billion, twenty-two thousand, three hundred one".

Divisors: 1 3 4447 13341 1576418561 4729255683 7010333340767 21031000022301