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148147422740 = 2257537982801
BaseRepresentation
bin1000100111111001000…
…1100100011000010100
3112011101122111211121222
42021332101210120110
54411401220011430
6152020305225512
713463142213242
oct2117621443024
9464348454558
10148147422740
11579133a3469
1224866332298
1310c7c810bb5
14725570d792
153cc113c9e5
hex227e464614

148147422740 has 24 divisors (see below), whose sum is σ = 311151181992. Its totient is φ = 59251046400.

The previous prime is 148147422727. The next prime is 148147422781. The reversal of 148147422740 is 47224741841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21751530256 + 126395892484 = 147484^2 + 355522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148147422691 and 148147422700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340661 + ... + 642140.

It is an arithmetic number, because the mean of its divisors is an integer number (12964632583).

Almost surely, 2148147422740 is an apocalyptic number.

148147422740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148147422740 is an abundant number, since it is smaller than the sum of its proper divisors (163003759252).

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

148147422740 is a wasteful number, since it uses less digits than its factorization.

148147422740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990347 (or 990345 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The spelling of 148147422740 in words is "one hundred forty-eight billion, one hundred forty-seven million, four hundred twenty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7537 15074 30148 37685 75370 150740 982801 1965602 3931204 4914005 9828010 19656020 7407371137 14814742274 29629484548 37036855685 74073711370 148147422740