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6986189034 = 23311891031283
BaseRepresentation
bin1101000000110100…
…01100100011101010
3200000212202011201000
412200122030203222
5103301431022114
63113122135430
7335060425026
oct64032144352
920025664630
106986189034
112a65581250
12142b7b1576
138744ab886
144a3ba3386
152ad4dbe09
hex1a068c8ea

6986189034 has 128 divisors (see below), whose sum is σ = 17306265600. Its totient is φ = 2071301760.

The previous prime is 6986189033. The next prime is 6986189039. The reversal of 6986189034 is 4309816896.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6986189033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5444557 + ... + 5445839.

It is an arithmetic number, because the mean of its divisors is an integer number (135205200).

Almost surely, 26986189034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6986189034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8653132800).

6986189034 is an abundant number, since it is smaller than the sum of its proper divisors (10320076566).

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

6986189034 is a wasteful number, since it uses less digits than its factorization.

6986189034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 6986189034 is about 83583.4255938341. The cubic root of 6986189034 is about 1911.6722864995.

The spelling of 6986189034 in words is "six billion, nine hundred eighty-six million, one hundred eighty-nine thousand, thirty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 89 99 103 178 198 206 267 297 309 534 594 618 801 927 979 1133 1283 1602 1854 1958 2266 2403 2566 2781 2937 3399 3849 4806 5562 5874 6798 7698 8811 9167 10197 11547 14113 17622 18334 20394 23094 26433 27501 28226 30591 34641 42339 52866 55002 61182 69282 82503 84678 100837 114187 127017 132149 165006 201674 228374 247509 254034 264298 302511 342561 381051 396447 495018 605022 685122 762102 792894 907533 1027683 1189341 1256057 1453639 1815066 2055366 2378682 2512114 2722599 2907278 3083049 3568023 3768171 4360917 5445198 6166098 7136046 7536342 8721834 11304513 11761261 13082751 22609026 23522522 26165502 33913539 35283783 39248253 67827078 70567566 78496506 105851349 129373871 211702698 258747742 317554047 388121613 635108094 776243226 1164364839 2328729678 3493094517 6986189034