Search a number
-
+
42856210024472 = 23131921688365397
BaseRepresentation
bin10011011111010001111010…
…01011001100100000011000
312121202000100221222200222102
421233220331023030200120
521104124004231240342
6231051512053342532
712012154556503145
oct1157507513144030
9177660327880872
1042856210024472
1112723242332a29
1249819a2037a48
131abb42829acc0
14a823746a13cc
154e4bc5b53832
hex26fa3d2cc818

42856210024472 has 32 divisors (see below), whose sum is σ = 91091134671600. Its totient is φ = 18738747702144.

The previous prime is 42856210024447. The next prime is 42856210024493. The reversal of 42856210024472 is 27442001265824.

It is a happy number.

It is a congruent number.

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, 10844180723 + ... + 10844184674.

Almost surely, 242856210024472 is an apocalyptic number.

It is an amenable number.

42856210024472 is an abundant number, since it is smaller than the sum of its proper divisors (48234924647128).

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

42856210024472 is a wasteful number, since it uses less digits than its factorization.

42856210024472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688365435 (or 21688365431 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 47.

The spelling of 42856210024472 in words is "forty-two trillion, eight hundred fifty-six billion, two hundred ten million, twenty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 21688365397 43376730794 86753461588 173506923176 281948750161 412078942543 563897500322 824157885086 1127795000644 1648315770172 2255590001288 3296631540344 5357026253059 10714052506118 21428105012236 42856210024472