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164580417240 = 23351969969623
BaseRepresentation
bin1001100101000111000…
…0011101111011011000
3120201210220002110012220
42121101300131323120
510144030041322430
6203335053304040
714614312315221
oct2312160357330
9521726073186
10164580417240
116388639a458
1227a91795020
131269b1bb695
147d73d94248
154433b63110
hex2651c1ded8

164580417240 has 64 divisors (see below), whose sum is σ = 493773408000. Its totient is φ = 43885252992.

The previous prime is 164580417203. The next prime is 164580417241. The reversal of 164580417240 is 42714085461.

164580417240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164580417192 and 164580417201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164580417241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329069 + ... + 2398691.

It is an arithmetic number, because the mean of its divisors is an integer number (7715209500).

Almost surely, 2164580417240 is an apocalyptic number.

164580417240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164580417240 is an abundant number, since it is smaller than the sum of its proper divisors (329192990760).

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

164580417240 is a wasteful number, since it uses less digits than its factorization.

164580417240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89336 (or 89332 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 164580417240 in words is "one hundred sixty-four billion, five hundred eighty million, four hundred seventeen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 19699 39398 59097 69623 78796 98495 118194 139246 157592 196990 208869 236388 278492 295485 348115 393980 417738 472776 556984 590970 696230 787960 835476 1044345 1181940 1392460 1670952 2088690 2363880 2784920 4177380 8354760 1371503477 2743006954 4114510431 5486013908 6857517385 8229020862 10972027816 13715034770 16458041724 20572552155 27430069540 32916083448 41145104310 54860139080 82290208620 164580417240