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148911997685760 = 2123257937101789
BaseRepresentation
bin100001110110111101000110…
…101110011001000000000000
3201112020211220011011121111200
4201312331012232121000000
5124004233232401421020
61244413121034341200
743236352056523461
oct4166750656310000
9645224804147450
10148911997685760
11434a2250625151
121485018688a800
1365124585c4caa
1428ab54452ad68
151233821de3590
hex876f46b99000

148911997685760 has 312 divisors, whose sum is σ = 516235346859960. Its totient is φ = 39704472846336.

The previous prime is 148911997685749. The next prime is 148911997685783. The reversal of 148911997685760 is 67586799119841.

148911997685760 is a `hidden beast` number, since 1 + 489 + 1 + 1 + 9 + 9 + 7 + 68 + 5 + 76 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52003251523584 + 96908746162176 = 7211328^2 + 9844224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148911997685760.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1462896946 + ... + 1462998734.

It is an arithmetic number, because the mean of its divisors is an integer number (1654600470705).

Almost surely, 2148911997685760 is an apocalyptic number.

148911997685760 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 148911997685760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258117673429980).

148911997685760 is an abundant number, since it is smaller than the sum of its proper divisors (367323349174200).

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

148911997685760 is a wasteful number, since it uses less digits than its factorization.

148911997685760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109761 (or 109736 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 81.

The spelling of 148911997685760 in words is "one hundred forty-eight trillion, nine hundred eleven billion, nine hundred ninety-seven million, six hundred eighty-five thousand, seven hundred sixty".