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42102323312 = 247253701943
BaseRepresentation
bin100111001101011111…
…100111100001110000
311000200011221121220212
4213031133213201300
51142211143321222
631201434523252
73020222562200
oct471537474160
9130604847825
1042102323312
1116945733725
1281abb96528
133c7c7a4a5a
1420758a0400
15116635c6e2
hex9cd7e7870

42102323312 has 30 divisors (see below), whose sum is σ = 94891335048. Its totient is φ = 18043852512.

The previous prime is 42102323287. The next prime is 42102323321. The reversal of 42102323312 is 21332320124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26850188 + ... + 26851755.

Almost surely, 242102323312 is an apocalyptic number.

It is an amenable number.

42102323312 is an abundant number, since it is smaller than the sum of its proper divisors (52789011736).

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

42102323312 is a wasteful number, since it uses less digits than its factorization.

42102323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53701965 (or 53701952 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42102323312 its reverse (21332320124), we get a palindrome (63434643436).

The spelling of 42102323312 in words is "forty-two billion, one hundred two million, three hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 53701943 107403886 214807772 375913601 429615544 751827202 859231088 1503654404 2631395207 3007308808 5262790414 6014617616 10525580828 21051161656 42102323312