Search a number
-
+
61432500054 = 2323814300189
BaseRepresentation
bin111001001101101010…
…011000111101010110
312212120100002100101210
4321031222120331112
52001303210000204
644115515402250
74303232430462
oct711552307526
9185510070353
1061432500054
1124065054602
12baa5753386
135a40477863
142d8ac254a2
1518e83b7389
hexe4da98f56

61432500054 has 16 divisors (see below), whose sum is σ = 122916630960. Its totient is φ = 20468894880.

The previous prime is 61432500047. The next prime is 61432500089. The reversal of 61432500054 is 45000523416.

It is a junction number, because it is equal to n+sod(n) for n = 61432499994 and 61432500030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135809 + ... + 2164380.

It is an arithmetic number, because the mean of its divisors is an integer number (7682289435).

Almost surely, 261432500054 is an apocalyptic number.

61432500054 is an abundant number, since it is smaller than the sum of its proper divisors (61484130906).

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

61432500054 is a wasteful number, since it uses less digits than its factorization.

61432500054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302575.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 61432500054 in words is "sixty-one billion, four hundred thirty-two million, five hundred thousand, fifty-four".

Divisors: 1 2 3 6 2381 4762 7143 14286 4300189 8600378 12900567 25801134 10238750009 20477500018 30716250027 61432500054