Search a number
-
+
145553146814880 = 253357173153389443
BaseRepresentation
bin100001000110000100111011…
…100111001010000110100000
3201002100202010001200022101000
4201012010323213022012200
5123034220321041034010
61233322105331312000
742441603444302010
oct4106047347120640
9632322101608330
10145553146814880
11424178198a5902
12143a921244b600
13632a7ab5cbb8c
1427d2b4a4c9c40
1511c62885ca7c0
hex84613b9ca1a0

145553146814880 has 3072 divisors, whose sum is σ = 651486766694400. Its totient is φ = 29587093585920.

The previous prime is 145553146814861. The next prime is 145553146814891. The reversal of 145553146814880 is 88418641355541.

145553146814880 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 5 + 3 + 146 + 8 + 1 + 488 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 511 ways as a sum of consecutive naturals, for example, 328562407939 + ... + 328562408381.

It is an arithmetic number, because the mean of its divisors is an integer number (212072515200).

Almost surely, 2145553146814880 is an apocalyptic number.

145553146814880 is a gapful number since it is divisible by the number (10) 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 145553146814880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325743383347200).

145553146814880 is an abundant number, since it is smaller than the sum of its proper divisors (505933619879520).

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

145553146814880 is a wasteful number, since it uses less digits than its factorization.

145553146814880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 63.

The spelling of 145553146814880 in words is "one hundred forty-five trillion, five hundred fifty-three billion, one hundred forty-six million, eight hundred fourteen thousand, eight hundred eighty".