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2729421334180 = 225383356321323
BaseRepresentation
bin100111101101111110001…
…100000110011010100100
3100122221010001202212210201
4213231332030012122210
5324204323330143210
65445513455400244
7401123414355052
oct47557614063244
910587101685721
102729421334180
119625a52072a2
12380b91823084
1316a4ca22a298
149616740b1d2
154aee9ea753a
hex27b7e3066a4

2729421334180 has 24 divisors (see below), whose sum is σ = 5746750313472. Its totient is φ = 1088917960032.

The previous prime is 2729421334169. The next prime is 2729421334181. The reversal of 2729421334180 is 814331249272.

It is a self number, because there is not a number n which added to its sum of digits gives 2729421334180.

It is not an unprimeable number, because it can be changed into a prime (2729421334181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178153002 + ... + 178168321.

It is an arithmetic number, because the mean of its divisors is an integer number (239447929728).

Almost surely, 22729421334180 is an apocalyptic number.

2729421334180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729421334180 is an abundant number, since it is smaller than the sum of its proper divisors (3017328979292).

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

2729421334180 is a wasteful number, since it uses less digits than its factorization.

2729421334180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356321715 (or 356321713 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 2729421334180 in words is "two trillion, seven hundred twenty-nine billion, four hundred twenty-one million, three hundred thirty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 383 766 1532 1915 3830 7660 356321323 712642646 1425285292 1781606615 3563213230 7126426460 136471066709 272942133418 545884266836 682355333545 1364710667090 2729421334180