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148721066780 = 2251113431209311
BaseRepresentation
bin1000101010000001110…
…1110110001100011100
3112012212121220222022112
42022200131312030130
54414040043114110
6152153240333152
713513306131656
oct2124035661434
9465777828275
10148721066780
115808818a750
12249a64741b8
131104160c340
1472ab9956d6
153d066a1405
hex22a077631c

148721066780 has 96 divisors (see below), whose sum is σ = 375447840768. Its totient is φ = 48759379200.

The previous prime is 148721066761. The next prime is 148721066801. The reversal of 148721066780 is 87660127841.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481676 + ... + 727635.

It is an arithmetic number, because the mean of its divisors is an integer number (3910915008).

Almost surely, 2148721066780 is an apocalyptic number.

148721066780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148721066780 is an abundant number, since it is smaller than the sum of its proper divisors (226726773988).

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

148721066780 is a wasteful number, since it uses less digits than its factorization.

148721066780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209387 (or 1209385 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 148721066780 in words is "one hundred forty-eight billion, seven hundred twenty-one million, sixty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 13 20 22 26 43 44 52 55 65 86 110 130 143 172 215 220 260 286 430 473 559 572 715 860 946 1118 1430 1892 2236 2365 2795 2860 4730 5590 6149 9460 11180 12298 24596 30745 61490 122980 1209311 2418622 4837244 6046555 12093110 13302421 15721043 24186220 26604842 31442086 52000373 53209684 62884172 66512105 78605215 104000746 133024210 157210430 172931473 208001492 260001865 266048420 314420860 345862946 520003730 572004103 676004849 691725892 864657365 1040007460 1144008206 1352009698 1729314730 2288016412 2704019396 2860020515 3380024245 3458629460 5720041030 6760048490 7436053339 11440082060 13520096980 14872106678 29744213356 37180266695 74360533390 148721066780