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71180100168220 = 2257945050696309
BaseRepresentation
bin10000001011110011101000…
…100101011110101000011100
3100100000202021120021200111101
4100023303220211132220130
533312203321120340340
6411215404145402444
720664410144404561
oct2013635045365034
9310022246250441
1071180100168220
112075334697a04a
127b9721b639424
1330943405b9004
1413811c7100868
1583685764ec9a
hex40bce895ea1c

71180100168220 has 24 divisors (see below), whose sum is σ = 151370339601600. Its totient is φ = 28111634496192.

The previous prime is 71180100168211. The next prime is 71180100168241. The reversal of 71180100168220 is 2286100108117.

It is a self number, because there is not a number n which added to its sum of digits gives 71180100168220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22525346575 + ... + 22525349734.

It is an arithmetic number, because the mean of its divisors is an integer number (6307097483400).

Almost surely, 271180100168220 is an apocalyptic number.

It is an amenable number.

71180100168220 is an abundant number, since it is smaller than the sum of its proper divisors (80190239433380).

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

71180100168220 is a wasteful number, since it uses less digits than its factorization.

71180100168220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45050696397 (or 45050696395 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The spelling of 71180100168220 in words is "seventy-one trillion, one hundred eighty billion, one hundred million, one hundred sixty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 45050696309 90101392618 180202785236 225253481545 450506963090 901013926180 3559005008411 7118010016822 14236020033644 17795025042055 35590050084110 71180100168220