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20404321042110 = 235719579493447
BaseRepresentation
bin1001010001110110000000…
…10011101011111010111110
32200020122010012211120002020
410220323000103223322332
510133301022141321420
6111221340553141010
74204110045125205
oct450730023537276
980218105746066
1020404321042110
11655747331a315
1223565b19ba766
13b50171bcb115
1450780826423c
15255b6acbd340
hex128ec04ebebe

20404321042110 has 32 divisors (see below), whose sum is σ = 49660094034432. Its totient is φ = 5364516329760.

The previous prime is 20404321042093. The next prime is 20404321042141. The reversal of 20404321042110 is 1124012340402.

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, 4789744594 + ... + 4789748853.

It is an arithmetic number, because the mean of its divisors is an integer number (1551877938576).

Almost surely, 220404321042110 is an apocalyptic number.

20404321042110 is an abundant number, since it is smaller than the sum of its proper divisors (29255772992322).

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

20404321042110 is a wasteful number, since it uses less digits than its factorization.

20404321042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579493528.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20404321042110 its reverse (1124012340402), we get a palindrome (21528333382512).

The spelling of 20404321042110 in words is "twenty trillion, four hundred four billion, three hundred twenty-one million, forty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 9579493447 19158986894 28738480341 47897467235 57476960682 95794934470 143692401705 287384803410 680144034737 1360288069474 2040432104211 3400720173685 4080864208422 6801440347370 10202160521055 20404321042110