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21313311302202 = 236162757640621
BaseRepresentation
bin1001101100010011001000…
…10110010110001000111010
32210110112101022101011200120
410312021210112112020322
510243144130143132302
6113155111113114110
74326556502632443
oct466114426261072
983415338334616
1021313311302202
116877a19658627
1224827b49b8936
13bb7ab510714a
145397d96482ca
1526e61c7009bc
hex13626459623a

21313311302202 has 16 divisors (see below), whose sum is σ = 42627315031392. Its totient is φ = 7104321696240.

The previous prime is 21313311302201. The next prime is 21313311302203. The reversal of 21313311302202 is 20220311331312.

It is an interprime number because it is at equal distance from previous prime (21313311302201) and next prime (21313311302203).

It is not an unprimeable number, because it can be changed into a prime (21313311302201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28450549 + ... + 29190072.

It is an arithmetic number, because the mean of its divisors is an integer number (2664207189462).

Almost surely, 221313311302202 is an apocalyptic number.

21313311302202 is an abundant number, since it is smaller than the sum of its proper divisors (21314003729190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21313311302202 is a wasteful number, since it uses less digits than its factorization.

21313311302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57702253.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21313311302202 its reverse (20220311331312), we get a palindrome (41533622633514).

The spelling of 21313311302202 in words is "twenty-one trillion, three hundred thirteen billion, three hundred eleven million, three hundred two thousand, two hundred two".

Divisors: 1 2 3 6 61627 123254 184881 369762 57640621 115281242 172921863 345843726 3552218550367 7104437100734 10656655651101 21313311302202