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10228920408 = 2334719118687
BaseRepresentation
bin10011000011011000…
…01111000001011000
3222101212111222220000
421201230033001120
5131422100423113
64411001133000
7511324250250
oct114154170130
928355458800
1010228920408
114379a60333
121b9578a160
13c7025c235
146d0712960
153ed02b373
hex261b0f058

10228920408 has 160 divisors (see below), whose sum is σ = 34466995200. Its totient is φ = 2768707008.

The previous prime is 10228920407. The next prime is 10228920431. The reversal of 10228920408 is 80402982201.

10228920408 is a `hidden beast` number, since 1 + 0 + 228 + 9 + 20 + 408 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10228920407) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26841 + ... + 145527.

It is an arithmetic number, because the mean of its divisors is an integer number (215418720).

Almost surely, 210228920408 is an apocalyptic number.

10228920408 is a gapful number since it is divisible by the number (18) 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 10228920408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17233497600).

10228920408 is an abundant number, since it is smaller than the sum of its proper divisors (24238074792).

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

10228920408 is a wasteful number, since it uses less digits than its factorization.

10228920408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118731 (or 118718 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 10228920408 in words is "ten billion, two hundred twenty-eight million, nine hundred twenty thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 42 54 56 57 63 72 76 81 84 108 114 126 133 152 162 168 171 189 216 228 252 266 324 342 378 399 456 504 513 532 567 648 684 756 798 1026 1064 1134 1197 1368 1512 1539 1596 2052 2268 2394 3078 3192 3591 4104 4536 4788 6156 7182 9576 10773 12312 14364 21546 28728 43092 86184 118687 237374 356061 474748 712122 830809 949496 1068183 1424244 1661618 2136366 2255053 2492427 2848488 3204549 3323236 4272732 4510106 4984854 6409098 6646472 6765159 7477281 8545464 9020212 9613647 9969708 12818196 13530318 14954562 15785371 18040424 19227294 19939416 20295477 22431843 25636392 27060636 29909124 31570742 38454588 40590954 44863686 47356113 54121272 59818248 60886431 63141484 67295529 76909176 81181908 89727372 94712226 121772862 126282968 134591058 142068339 162363816 179454744 182659293 189424452 243545724 269182116 284136678 365318586 378848904 426205017 487091448 538364232 568273356 730637172 852410034 1136546712 1278615051 1461274344 1704820068 2557230102 3409640136 5114460204 10228920408