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148402888228788 = 22312366907352399
BaseRepresentation
bin100001101111100010111101…
…011011111011111110110100
3201110110011210102220112111220
4201233202331123323332310
5123422413103341310123
61243343202400030340
743154516625532404
oct4157427533737664
9643404712815456
10148402888228788
1143316347605916
12147895830023b0
1364a6442121abb
142890a4955c804
1512254766b1ce3
hex86f8bd6fbfb4

148402888228788 has 12 divisors (see below), whose sum is σ = 346273405867200. Its totient is φ = 49467629409592.

The previous prime is 148402888228783. The next prime is 148402888228849. The reversal of 148402888228788 is 887822888204841.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1484028882287882 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148402888228783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6183453676188 + ... + 6183453676211.

It is an arithmetic number, because the mean of its divisors is an integer number (28856117155600).

Almost surely, 2148402888228788 is an apocalyptic number.

It is an amenable number.

148402888228788 is an abundant number, since it is smaller than the sum of its proper divisors (197870517638412).

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

148402888228788 is a wasteful number, since it uses less digits than its factorization.

148402888228788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12366907352406 (or 12366907352404 counting only the distinct ones).

The product of its (nonzero) digits is 1879048192, while the sum is 78.

The spelling of 148402888228788 in words is "one hundred forty-eight trillion, four hundred two billion, eight hundred eighty-eight million, two hundred twenty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 12366907352399 24733814704798 37100722057197 49467629409596 74201444114394 148402888228788