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6834569664 = 263132994421
BaseRepresentation
bin1100101110101111…
…10100000111000000
3122122022110010000210
412113113310013000
5102444122212124
63050104314120
7331236612036
oct62727640700
918568403023
106834569664
112997a3338a
1213a8a72940
1384bc63880
1448b9b6556
152a003ca29
hex1975f41c0

6834569664 has 112 divisors (see below), whose sum is σ = 20145877920. Its totient is φ = 2030407680.

The previous prime is 6834569647. The next prime is 6834569699. The reversal of 6834569664 is 4669654386.

It is a super-2 number, since 2×68345696642 = 93422684984138145792, which contains 22 as substring.

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, 25174 + ... + 119594.

It is an arithmetic number, because the mean of its divisors is an integer number (179873910).

Almost surely, 26834569664 is an apocalyptic number.

6834569664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6834569664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10072938960).

6834569664 is an abundant number, since it is smaller than the sum of its proper divisors (13311308256).

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

6834569664 is a wasteful number, since it uses less digits than its factorization.

6834569664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94478 (or 94468 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 57.

The square root of 6834569664 is about 82671.4561623297. The cubic root of 6834569664 is about 1897.7415144233.

The spelling of 6834569664 in words is "six billion, eight hundred thirty-four million, five hundred sixty-nine thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 64 78 87 96 104 116 156 174 192 208 232 312 348 377 416 464 624 696 754 832 928 1131 1248 1392 1508 1856 2262 2496 2784 3016 4524 5568 6032 9048 12064 18096 24128 36192 72384 94421 188842 283263 377684 566526 755368 1133052 1227473 1510736 2266104 2454946 2738209 3021472 3682419 4532208 4909892 5476418 6042944 7364838 8214627 9064416 9819784 10952836 14729676 16429254 18128832 19639568 21905672 29459352 32858508 35596717 39279136 43811344 58918704 65717016 71193434 78558272 87622688 106790151 117837408 131434032 142386868 175245376 213580302 235674816 262868064 284773736 427160604 525736128 569547472 854321208 1139094944 1708642416 2278189888 3417284832 6834569664