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147420755540 = 22547557281563
BaseRepresentation
bin1000100101001011110…
…1100011011001010100
3112002112000011022121222
42021102331203121110
54403404203134130
6151420230225512
713436136514052
oct2112275433124
9462460138558
10147420755540
115758019a663
12246a2ab5298
1310b950c57c6
1471c6dd31d2
153c7c44dce5
hex2252f63654

147420755540 has 48 divisors (see below), whose sum is σ = 316739227392. Its totient is φ = 57609837696.

The previous prime is 147420755453. The next prime is 147420755551. The reversal of 147420755540 is 45557024741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 147420755491 and 147420755500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382799 + ... + 664361.

It is an arithmetic number, because the mean of its divisors is an integer number (6598733904).

Almost surely, 2147420755540 is an apocalyptic number.

147420755540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147420755540 is an abundant number, since it is smaller than the sum of its proper divisors (169318471852).

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

147420755540 is a wasteful number, since it uses less digits than its factorization.

147420755540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282176 (or 282174 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 44.

The spelling of 147420755540 in words is "one hundred forty-seven billion, four hundred twenty million, seven hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 557 940 1114 2228 2785 5570 11140 26179 52358 104716 130895 261790 281563 523580 563126 1126252 1407815 2815630 5631260 13233461 26466922 52933844 66167305 132334610 156830591 264669220 313661182 627322364 784152955 1568305910 3136611820 7371037777 14742075554 29484151108 36855188885 73710377770 147420755540