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148221481450 = 25271193354979
BaseRepresentation
bin1000101000001010110…
…0000101000111101010
3112011120210212102002011
42022002230011013222
54412024144401300
6152031512430134
713465031542660
oct2120254050752
9464523772064
10148221481450
1157951186909
12248870a834a
1310c91c70c13
1472614aac30
153cc78baeba
hex2282b051ea

148221481450 has 48 divisors (see below), whose sum is σ = 315341513280. Its totient is φ = 50776053120.

The previous prime is 148221481399. The next prime is 148221481481. The reversal of 148221481450 is 54184122841.

It is a super-3 number, since 3×1482214814503 (a number of 34 digits) contains 333 as substring.

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, 240061 + ... + 595039.

It is an arithmetic number, because the mean of its divisors is an integer number (6569614860).

Almost surely, 2148221481450 is an apocalyptic number.

148221481450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148221481450 is an abundant number, since it is smaller than the sum of its proper divisors (167120031830).

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

148221481450 is a wasteful number, since it uses less digits than its factorization.

148221481450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356191 (or 356186 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 148221481450 in words is "one hundred forty-eight billion, two hundred twenty-one million, four hundred eighty-one thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1193 2386 5965 8351 11930 16702 29825 41755 59650 83510 208775 354979 417550 709958 1774895 2484853 3549790 4969706 8874475 12424265 17748950 24848530 62121325 124242650 423489947 846979894 2117449735 2964429629 4234899470 5928859258 10587248675 14822148145 21174497350 29644296290 74110740725 148221481450