Search a number
-
+
25012500480 = 2113251122243
BaseRepresentation
bin10111010010110111…
…000111100000000000
32101120011102200020200
4113102313013200000
5402211200003410
615253544405200
71543555513632
oct272267074000
971504380220
1025012500480
11a6759a4900
124a20776800
132487cc2256
1412d3cbca52
159b5d413c0
hex5d2dc7800

25012500480 has 432 divisors, whose sum is σ = 95328553320. Its totient is φ = 6060933120.

The previous prime is 25012500433. The next prime is 25012500523. The reversal of 25012500480 is 8400521052.

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 35 ways as a sum of consecutive naturals, for example, 11150239 + ... + 11152481.

Almost surely, 225012500480 is an apocalyptic number.

25012500480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25012500480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47664276660).

25012500480 is an abundant number, since it is smaller than the sum of its proper divisors (70316052840).

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

25012500480 is a wasteful number, since it uses less digits than its factorization.

25012500480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 25012500480 in words is "twenty-five billion, twelve million, five hundred thousand, four hundred eighty".