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20315434441606 = 2131159748553429
BaseRepresentation
bin1001001111010000011100…
…10000001101101110000110
32122221010200120000101221021
410213220032100031232012
510130322002204112411
6111112440504541354
74164512255363263
oct447501620155606
978833616011837
1020315434441606
1165228001357a7
122341325a8185a
13b4497796b815
145033b519226a
152536b7572a71
hex127a0e40db86

20315434441606 has 16 divisors (see below), whose sum is σ = 30724998931440. Its totient is φ = 10073865241440.

The previous prime is 20315434441583. The next prime is 20315434441657. The reversal of 20315434441606 is 60614443451302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23858301 + ... + 24695128.

It is an arithmetic number, because the mean of its divisors is an integer number (1920312433215).

Almost surely, 220315434441606 is an apocalyptic number.

20315434441606 is a deficient number, since it is larger than the sum of its proper divisors (10409564489834).

20315434441606 is a wasteful number, since it uses less digits than its factorization.

20315434441606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48555159.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 20315434441606 its reverse (60614443451302), we get a palindrome (80929877892908).

The spelling of 20315434441606 in words is "twenty trillion, three hundred fifteen billion, four hundred thirty-four million, four hundred forty-one thousand, six hundred six".

Divisors: 1 2 131 262 1597 3194 209207 418414 48553429 97106858 6360499199 12720998398 77539826113 155079652226 10157717220803 20315434441606