Search a number
-
+
149078185200 = 243252712134877
BaseRepresentation
bin1000101011010111000…
…0001001010011110000
3112020210111220110200200
42022311300021103300
54420303003411300
6152252514515200
713525203444360
oct2126560112360
9466714813620
10149078185200
115825082703a
1224a85b95b00
131109a5b8609
1473031969a0
153d27be4200
hex22b5c094f0

149078185200 has 360 divisors, whose sum is σ = 591857574048. Its totient is φ = 34039941120.

The previous prime is 149078185189. The next prime is 149078185261. The reversal of 149078185200 is 2581870941.

149078185200 is a `hidden beast` number, since 1 + 49 + 0 + 7 + 81 + 8 + 520 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30565162 + ... + 30570038.

Almost surely, 2149078185200 is an apocalyptic number.

149078185200 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 149078185200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295928787024).

149078185200 is an abundant number, since it is smaller than the sum of its proper divisors (442779388848).

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

149078185200 is a wasteful number, since it uses less digits than its factorization.

149078185200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 149078185200 in words is "one hundred forty-nine billion, seventy-eight million, one hundred eighty-five thousand, two hundred".