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13114412210420 = 2251053616223561
BaseRepresentation
bin1011111011010110111111…
…1000011001100011110100
31201102201120221021000111022
42332311233320121203310
53204331304011213140
643520402223200312
72522325234344153
oct276655770314364
951381527230438
1013114412210420
1141a68778898a4
1215797b2146098
137418b7302001
14334a531c159a
1517b208ccb0b5
hexbed6fe198f4

13114412210420 has 24 divisors (see below), whose sum is σ = 27540531456648. Its totient is φ = 5245714252800.

The previous prime is 13114412210413. The next prime is 13114412210423. The reversal of 13114412210420 is 2401221441131.

It can be written as a sum of positive squares in 4 ways, for example, as 2446859291536 + 10667552918884 = 1564244^2 + 3266122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13114412210420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13114412210423) 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, 1004561 + ... + 5219000.

It is an arithmetic number, because the mean of its divisors is an integer number (1147522144027).

Almost surely, 213114412210420 is an apocalyptic number.

13114412210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13114412210420 is an abundant number, since it is smaller than the sum of its proper divisors (14426119246228).

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

13114412210420 is a wasteful number, since it uses less digits than its factorization.

13114412210420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328931 (or 6328929 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 13114412210420 its reverse (2401221441131), we get a palindrome (15515633651551).

The spelling of 13114412210420 in words is "thirteen trillion, one hundred fourteen billion, four hundred twelve million, two hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 105361 210722 421444 526805 1053610 2107220 6223561 12447122 24894244 31117805 62235610 124471220 655720610521 1311441221042 2622882442084 3278603052605 6557206105210 13114412210420