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42868899108 = 2234722700233
BaseRepresentation
bin100111111011001011…
…110111110100100100
311002122121101201020000
4213323023313310210
51200243414232413
631405501141300
73045221426100
oct477313676444
9132577351200
1042868899108
11171a9415442
12838485a830
1340725541b9
142109608900
1511ad7d1073
hex9fb2f7d24

42868899108 has 90 divisors (see below), whose sum is σ = 130364597286. Its totient is φ = 12248252352.

The previous prime is 42868899097. The next prime is 42868899121. The reversal of 42868899108 is 80199886824.

It can be written as a sum of positive squares in only one way, i.e., 42856452324 + 12446784 = 207018^2 + 3528^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1334241 + ... + 1365992.

Almost surely, 242868899108 is an apocalyptic number.

It is an amenable number.

42868899108 is an abundant number, since it is smaller than the sum of its proper divisors (87495698178).

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

42868899108 is a wasteful number, since it uses less digits than its factorization.

42868899108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700263 (or 2700245 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 42868899108 in words is "forty-two billion, eight hundred sixty-eight million, eight hundred ninety-nine thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 252 294 324 378 441 567 588 756 882 1134 1323 1764 2268 2646 3969 5292 7938 15876 2700233 5400466 8100699 10800932 16201398 18901631 24302097 32402796 37803262 48604194 56704893 72906291 75606524 97208388 113409786 132311417 145812582 170114679 218718873 226819572 264622834 291625164 340229358 396934251 437437746 510344037 529245668 680458716 793868502 874875492 1020688074 1190802753 1531032111 1587737004 2041376148 2381605506 3062064222 3572408259 4763211012 6124128444 7144816518 10717224777 14289633036 21434449554 42868899108