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2949051380 = 2251129394561
BaseRepresentation
bin1010111111000110…
…1111001111110100
321121112011022222012
42233301233033310
522014424121010
61204344223352
7133036344302
oct25761571764
97545138865
102949051380
111283731a50
126a376ab58
1337cc86422
141dd943272
15123d7d005
hexafc6f3f4

2949051380 has 48 divisors (see below), whose sum is σ = 6759789120. Its totient is φ = 1071782400.

The previous prime is 2949051373. The next prime is 2949051397. The reversal of 2949051380 is 831509492.

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, 644300 + ... + 648860.

It is an arithmetic number, because the mean of its divisors is an integer number (140828940).

Almost surely, 22949051380 is an apocalyptic number.

2949051380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2949051380 is an abundant number, since it is smaller than the sum of its proper divisors (3810737740).

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

2949051380 is a wasteful number, since it uses less digits than its factorization.

2949051380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2949051380 is about 54305.1689989084. The cubic root of 2949051380 is about 1434.0383963441.

The spelling of 2949051380 in words is "two billion, nine hundred forty-nine million, fifty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2939 4561 5878 9122 11756 14695 18244 22805 29390 32329 45610 50171 58780 64658 91220 100342 129316 161645 200684 250855 323290 501710 646580 1003420 13404779 26809558 53619116 67023895 134047790 147452569 268095580 294905138 589810276 737262845 1474525690 2949051380