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1244431413042 = 231712200307971
BaseRepresentation
bin10010000110111101111…
…001000110111100110010
311101222002120020202100220
4102012331321012330302
5130342043420204132
62351403415553510
7155623112324256
oct22067571067462
94358076222326
101244431413042
1143a8400aa364
1218121968b896
139047077b45c
144433346a266
1522585763a2c
hex121bde46f32

1244431413042 has 16 divisors (see below), whose sum is σ = 2635266521952. Its totient is φ = 390409855040.

The previous prime is 1244431413041. The next prime is 1244431413047. The reversal of 1244431413042 is 2403141344421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1244431412994 and 1244431413012.

It is not an unprimeable number, because it can be changed into a prime (1244431413041) 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, 6100153884 + ... + 6100154087.

It is an arithmetic number, because the mean of its divisors is an integer number (164704157622).

Almost surely, 21244431413042 is an apocalyptic number.

1244431413042 is an abundant number, since it is smaller than the sum of its proper divisors (1390835108910).

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

1244431413042 is a wasteful number, since it uses less digits than its factorization.

1244431413042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200307993.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1244431413042 its reverse (2403141344421), we get a palindrome (3647572757463).

The spelling of 1244431413042 in words is "one trillion, two hundred forty-four billion, four hundred thirty-one million, four hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 17 34 51 102 12200307971 24400615942 36600923913 73201847826 207405235507 414810471014 622215706521 1244431413042