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29431422413952 = 27313411037431879
BaseRepresentation
bin1101011000100100010010…
…11110100110110010000000
310212012121122102122201111020
412230102021132212302000
512324201023114221302
6142332335300145440
76125231040554406
oct654221136466200
9125177572581436
1029431422413952
11941788374a209
12337400b998280
1313564a97726c0
1473a6ba419476
153608a38a5ebc
hex1ac4897a6c80

29431422413952 has 512 divisors, whose sum is σ = 87245215948800. Its totient is φ = 8732746874880.

The previous prime is 29431422413903. The next prime is 29431422413989. The reversal of 29431422413952 is 25931422413492.

It is a junction number, because it is equal to n+sod(n) for n = 29431422413895 and 29431422413904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15663342549 + ... + 15663344427.

It is an arithmetic number, because the mean of its divisors is an integer number (170400812400).

Almost surely, 229431422413952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29431422413952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43622607974400).

29431422413952 is an abundant number, since it is smaller than the sum of its proper divisors (57813793534848).

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

29431422413952 is a wasteful number, since it uses less digits than its factorization.

29431422413952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2784 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 29431422413952 in words is "twenty-nine trillion, four hundred thirty-one billion, four hundred twenty-two million, four hundred thirteen thousand, nine hundred fifty-two".