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20504051443110 = 2351277535214081
BaseRepresentation
bin1001010100101111110001…
…01100111110010110100110
32200121011112121011212000210
410222113320230332112212
510141414244132134420
6111335233045520250
74214240336422614
oct452277054762646
980534477155023
1020504051443110
1165957a0555724
1223719a5413086
13b596a68c5411
1450c5895866b4
152585565019e0
hex12a5f8b3e5a6

20504051443110 has 32 divisors (see below), whose sum is σ = 49248258969312. Its totient is φ = 5463465328640.

The previous prime is 20504051443093. The next prime is 20504051443147. The reversal of 20504051443110 is 1134415040502.

It is a super-2 number, since 2×205040514431102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267568731 + ... + 267645350.

It is an arithmetic number, because the mean of its divisors is an integer number (1539008092791).

Almost surely, 220504051443110 is an apocalyptic number.

20504051443110 is an abundant number, since it is smaller than the sum of its proper divisors (28744207526202).

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

20504051443110 is a wasteful number, since it uses less digits than its factorization.

20504051443110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535215368.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 20504051443110 its reverse (1134415040502), we get a palindrome (21638466483612).

The spelling of 20504051443110 in words is "twenty trillion, five hundred four billion, fifty-one million, four hundred forty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1277 2554 3831 6385 7662 12770 19155 38310 535214081 1070428162 1605642243 2676070405 3211284486 5352140810 8028211215 16056422430 683468381437 1366936762874 2050405144311 3417341907185 4100810288622 6834683814370 10252025721555 20504051443110