Search a number
-
+
4581029806080 = 21535713236173
BaseRepresentation
bin100001010101001101010…
…1001111000000000000000
3121012221102211210001112120
41002222122221320000000
51100023422112243310
613424255051124240
7651653121605250
oct102523251700000
917187384701476
104581029806080
111506892997752
1261ba01743680
13272cb2523110
1411ba19da7960
157e26a6c9b70
hex42a9aa78000

4581029806080 has 2048 divisors, whose sum is σ = 19397118504960. Its totient is φ = 896909967360.

The previous prime is 4581029806069. The next prime is 4581029806123. The reversal of 4581029806080 is 806089201854.

It is a tau number, because it is divible by the number of its divisors (2048).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 62753832924 + ... + 62753832996.

It is an arithmetic number, because the mean of its divisors is an integer number (9471249270).

Almost surely, 24581029806080 is an apocalyptic number.

4581029806080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581029806080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9698559252480).

4581029806080 is an abundant number, since it is smaller than the sum of its proper divisors (14816088698880).

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

4581029806080 is a wasteful number, since it uses less digits than its factorization.

4581029806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 4581029806080 in words is "four trillion, five hundred eighty-one billion, twenty-nine million, eight hundred six thousand, eighty".