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6986838516 = 2237118170429
BaseRepresentation
bin1101000000111001…
…01011000111110100
3200000220222011121220
412200130223013310
5103302112313031
63113144110340
7335066101410
oct64034530764
920026864556
106986838516
112a65985209
12142ba653b0
13874678398
144a3cd1d40
152ad5b9596
hex1a072b1f4

6986838516 has 48 divisors (see below), whose sum is σ = 18647610240. Its totient is φ = 1994520960.

The previous prime is 6986838493. The next prime is 6986838539. The reversal of 6986838516 is 6158386896.

It is an interprime number because it is at equal distance from previous prime (6986838493) and next prime (6986838539).

It is a super-2 number, since 2×69868385162 = 97631824897322164512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6986838516.

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, 63990 + ... + 134418.

It is an arithmetic number, because the mean of its divisors is an integer number (388491880).

Almost surely, 26986838516 is an apocalyptic number.

It is an amenable number.

6986838516 is an abundant number, since it is smaller than the sum of its proper divisors (11660771724).

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

6986838516 is a wasteful number, since it uses less digits than its factorization.

6986838516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71624 (or 71622 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 6986838516 is about 83587.3107355417. The cubic root of 6986838516 is about 1911.7315251994.

The spelling of 6986838516 in words is "six billion, nine hundred eighty-six million, eight hundred thirty-eight thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1181 2362 3543 4724 7086 8267 14172 16534 24801 33068 49602 70429 99204 140858 211287 281716 422574 493003 845148 986006 1479009 1972012 2958018 5916036 83176649 166353298 249529947 332706596 499059894 582236543 998119788 1164473086 1746709629 2328946172 3493419258 6986838516