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10121404412 = 227361478729
BaseRepresentation
bin10010110110100100…
…00101111111111100
3222010101012121200002
421123102011333330
5131212034420122
64352200453432
7505550342450
oct113322057774
928111177602
1010121404412
1143242a5a39
121b6577a278
13c53bb66c2
146c0326660
153e388e992
hex25b485ffc

10121404412 has 12 divisors (see below), whose sum is σ = 20242808880. Its totient is φ = 4337744736.

The previous prime is 10121404409. The next prime is 10121404421. The reversal of 10121404412 is 21440412101.

10121404412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180739337 + ... + 180739392.

It is an arithmetic number, because the mean of its divisors is an integer number (1686900740).

Almost surely, 210121404412 is an apocalyptic number.

It is an amenable number.

10121404412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10121404412 is a wasteful number, since it uses less digits than its factorization.

10121404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361478740 (or 361478738 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10121404412 its reverse (21440412101), we get a palindrome (31561816513).

The spelling of 10121404412 in words is "ten billion, one hundred twenty-one million, four hundred four thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 361478729 722957458 1445914916 2530351103 5060702206 10121404412