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6898802868 = 22323143233617
BaseRepresentation
bin1100110110011001…
…10110000010110100
3122210210022111102100
412123030312002310
5103112043142433
63100321142100
7332646566616
oct63314660264
918723274370
106898802868
112a20215781
12140648a930
1385c363599
14496336db6
152a59c9b13
hex19b3360b4

6898802868 has 144 divisors (see below), whose sum is σ = 18528846336. Its totient is φ = 2160829440.

The previous prime is 6898802831. The next prime is 6898802893. The reversal of 6898802868 is 8682088986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11180896 + ... + 11181512.

It is an arithmetic number, because the mean of its divisors is an integer number (128672544).

Almost surely, 26898802868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898802868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9264423168).

6898802868 is an abundant number, since it is smaller than the sum of its proper divisors (11630043468).

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

6898802868 is a wasteful number, since it uses less digits than its factorization.

6898802868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 63.

The square root of 6898802868 is about 83059.0324287491. The cubic root of 6898802868 is about 1903.6681554080.

The spelling of 6898802868 in words is "six billion, eight hundred ninety-eight million, eight hundred two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 31 36 43 62 86 93 124 129 172 186 233 258 279 372 387 466 516 558 617 699 774 932 1116 1234 1333 1398 1548 1851 2097 2468 2666 2796 3702 3999 4194 5332 5553 7223 7404 7998 8388 10019 11106 11997 14446 15996 19127 20038 21669 22212 23994 26531 28892 30057 38254 40076 43338 47988 53062 57381 60114 65007 76508 79593 86676 90171 106124 114762 120228 130014 143761 159186 172143 180342 229524 238779 260028 287522 310589 318372 344286 360684 431283 477558 575044 621178 688572 822461 862566 931767 955116 1242356 1293849 1644922 1725132 1863534 2467383 2587698 2795301 3289844 3727068 4456591 4934766 5175396 5590602 6181723 7402149 8913182 9869532 11181204 12363446 13369773 14804298 17826364 18545169 24726892 26739546 29608596 37090338 40109319 53479092 55635507 74180676 80218638 111271014 160437276 191633413 222542028 383266826 574900239 766533652 1149800478 1724700717 2299600956 3449401434 6898802868