Search a number
-
+
20006043750 = 2325571131149
BaseRepresentation
bin10010101000011101…
…000000000001100110
31220122020220022201100
4102220131000001212
5311433021400000
613105102540530
71305524365110
oct225035000146
956566808640
1020006043750
118536987860
123a63b97746
131b6aa12814
14d7b01a3b0
157c1561a00
hex4a8740066

20006043750 has 576 divisors, whose sum is σ = 70195507200. Its totient is φ = 3996000000.

The previous prime is 20006043737. The next prime is 20006043763. The reversal of 20006043750 is 5734060002.

It is a happy number.

20006043750 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 604 + 3 + 7 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (20006043737) and next prime (20006043763).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 134268676 + ... + 134268824.

It is an arithmetic number, because the mean of its divisors is an integer number (121867200).

Almost surely, 220006043750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20006043750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35097753600).

20006043750 is an abundant number, since it is smaller than the sum of its proper divisors (50189463450).

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

20006043750 is a wasteful number, since it uses less digits than its factorization.

20006043750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 20006043750 in words is "twenty billion, six million, forty-three thousand, seven hundred fifty".