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2070199989 = 3211131818887
BaseRepresentation
bin111101101100100…
…1011111010110101
312100021110001111200
41323121023322311
513214432344424
6541231323113
7102205260324
oct17331137265
95307401450
102070199989
11972634990
12499380499
1326cb85c10
14158d300bb
15c1b2c8c9
hex7b64beb5

2070199989 has 48 divisors (see below), whose sum is σ = 3532873344. Its totient is φ = 1151625600.

The previous prime is 2070199979. The next prime is 2070200051. The reversal of 2070199989 is 9899910702.

It is not a de Polignac number, because 2070199989 - 29 = 2070199477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070199979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228504 + ... + 237390.

It is an arithmetic number, because the mean of its divisors is an integer number (73601528).

Almost surely, 22070199989 is an apocalyptic number.

It is an amenable number.

2070199989 is a deficient number, since it is larger than the sum of its proper divisors (1462673355).

2070199989 is a wasteful number, since it uses less digits than its factorization.

2070199989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098 (or 9095 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 2070199989 is about 45499.4504252524. The cubic root of 2070199989 is about 1274.4929397789.

The spelling of 2070199989 in words is "two billion, seventy million, one hundred ninety-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 9 11 13 33 39 99 117 143 181 429 543 1287 1629 1991 2353 5973 7059 8887 17919 21177 25883 26661 77649 79983 97757 115531 232947 293271 346593 879813 1039779 1270841 1608547 3812523 4825641 11437569 14476923 17694017 20911111 53082051 62733333 159246153 188199999 230022221 690066663 2070199989