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149302707840 = 273351113233771
BaseRepresentation
bin1000101100001100100…
…0101000011010000000
3112021101011101101212000
42023003020220122000
54421232443122330
6152331055104000
713533601035336
oct2130310503200
9467334341760
10149302707840
1158356539240
1224b29212000
1311104c7a750
147324d1db56
153d3c794560
hex22c3228680

149302707840 has 2048 divisors, whose sum is σ = 675130982400. Its totient is φ = 30656102400.

The previous prime is 149302707839. The next prime is 149302707857. The reversal of 149302707840 is 48707203941.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2102855005 + ... + 2102855075.

It is an arithmetic number, because the mean of its divisors is an integer number (329653800).

Almost surely, 2149302707840 is an apocalyptic number.

149302707840 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 149302707840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337565491200).

149302707840 is an abundant number, since it is smaller than the sum of its proper divisors (525828274560).

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

149302707840 is a wasteful number, since it uses less digits than its factorization.

149302707840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 149302707840 in words is "one hundred forty-nine billion, three hundred two million, seven hundred seven thousand, eight hundred forty".