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867828152140 = 22564367482749
BaseRepresentation
bin11001010000011101001…
…01101011011101001100
310001222000102202212200121
430220032211223131030
5103204303001332030
61502401425034324
7116461406403505
oct14501645533514
93058012685617
10867828152140
11305053405384
12120235a859a4
1363ab346b541
143000874bbac
1517892de747a
hexca0e96b74c

867828152140 has 24 divisors (see below), whose sum is σ = 1825273422000. Its totient is φ = 346591393728.

The previous prime is 867828152131. The next prime is 867828152209. The reversal of 867828152140 is 41251828768.

867828152140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33728515 + ... + 33754234.

It is an arithmetic number, because the mean of its divisors is an integer number (76053059250).

Almost surely, 2867828152140 is an apocalyptic number.

It is an amenable number.

867828152140 is an abundant number, since it is smaller than the sum of its proper divisors (957445269860).

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

867828152140 is a wasteful number, since it uses less digits than its factorization.

867828152140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67483401 (or 67483399 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 867828152140 in words is "eight hundred sixty-seven billion, eight hundred twenty-eight million, one hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 643 1286 2572 3215 6430 12860 67482749 134965498 269930996 337413745 674827490 1349654980 43391407607 86782815214 173565630428 216957038035 433914076070 867828152140