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82954889490 = 23511892824477
BaseRepresentation
bin100110101000001111…
…1110010100100010010
321221010021021000100110
41031100133302210102
52324342422430430
6102035311102150
75664461632524
oct1152037624422
9257107230313
1082954889490
11321a9966310
12140b1511956
137a90383635
14402d39ba14
152257b017b0
hex13507f2912

82954889490 has 64 divisors (see below), whose sum is σ = 219631409280. Its totient is φ = 19884311040.

The previous prime is 82954889489. The next prime is 82954889497. The reversal of 82954889490 is 9498845928.

It is a happy number.

It is a super-2 number, since 2×829548894902 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82954889497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382869 + ... + 1441608.

It is an arithmetic number, because the mean of its divisors is an integer number (3431740770).

Almost surely, 282954889490 is an apocalyptic number.

82954889490 is an abundant number, since it is smaller than the sum of its proper divisors (136676519790).

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

82954889490 is a wasteful number, since it uses less digits than its factorization.

82954889490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824587.

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 82954889490 in words is "eighty-two billion, nine hundred fifty-four million, eight hundred eighty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 89 110 165 178 267 330 445 534 890 979 1335 1958 2670 2937 4895 5874 9790 14685 29370 2824477 5648954 8473431 14122385 16946862 28244770 31069247 42367155 62138494 84734310 93207741 155346235 186415482 251378453 310692470 466038705 502756906 754135359 932077410 1256892265 1508270718 2513784530 2765162983 3770676795 5530325966 7541353590 8295488949 13825814915 16590977898 27651629830 41477444745 82954889490