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148999720320 = 2734511416373
BaseRepresentation
bin1000101011000100010…
…0110100110110000000
3112020121001021001010000
42022301010310312000
54420122412022240
6152241033040000
713523231503653
oct2126104646600
9466531231100
10148999720320
1158210504230
1224a63856000
1311087274ba9
1472d69ad89a
153d20d95430
hex22b1134d80

148999720320 has 640 divisors, whose sum is σ = 594729384480. Its totient is φ = 35234611200.

The previous prime is 148999720313. The next prime is 148999720343. The reversal of 148999720320 is 23027999841.

148999720320 is a `hidden beast` number, since 1 + 489 + 99 + 72 + 0 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23376654 + ... + 23383026.

Almost surely, 2148999720320 is an apocalyptic number.

148999720320 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 148999720320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297364692240).

148999720320 is an abundant number, since it is smaller than the sum of its proper divisors (445729664160).

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

148999720320 is a wasteful number, since it uses less digits than its factorization.

148999720320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456 (or 6435 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 148999720320 in words is "one hundred forty-eight billion, nine hundred ninety-nine million, seven hundred twenty thousand, three hundred twenty".