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21230013002999 = 1931197182965303
BaseRepresentation
bin1001101001110111111110…
…11000100011010011110111
32210011120101002221010202212
410310323333120203103313
510240313031312043444
6113052533333324035
74320550341031253
oct464737730432367
983146332833685
1021230013002999
116845663969539
12246a62849661b
13bacc9b8671c8
14535776817263
1526c3948b819e
hex134eff6234f7

21230013002999 has 16 divisors (see below), whose sum is σ = 23185363322880. Its totient is φ = 19365047563680.

The previous prime is 21230013002987. The next prime is 21230013003011. The reversal of 21230013002999 is 99920031003212.

It is an interprime number because it is at equal distance from previous prime (21230013002987) and next prime (21230013003011).

It is a cyclic number.

It is not a de Polignac number, because 21230013002999 - 212 = 21230012998903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230013002969) 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, 91366619 + ... + 91598684.

It is an arithmetic number, because the mean of its divisors is an integer number (1449085207680).

Almost surely, 221230013002999 is an apocalyptic number.

21230013002999 is a deficient number, since it is larger than the sum of its proper divisors (1955350319881).

21230013002999 is a wasteful number, since it uses less digits than its factorization.

21230013002999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182965550.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 21230013002999 in words is "twenty-one trillion, two hundred thirty billion, thirteen million, two thousand, nine hundred ninety-nine".

Divisors: 1 19 31 197 589 3743 6107 116033 182965303 3476340757 5671924393 36044164691 107766563467 684839129129 1117369105421 21230013002999