Search a number
-
+
20252018710 = 2571126301323
BaseRepresentation
bin10010110111000111…
…010100100000010110
31221021101202010221001
4102313013110200112
5312434004044320
613145331013514
71314602214220
oct226707244026
957241663831
1020252018710
118652811450
123b1243a29a
131ba9976131
14da1969410
157d7e4d20a
hex4b71d4816

20252018710 has 32 divisors (see below), whose sum is σ = 45448687872. Its totient is φ = 6312317280.

The previous prime is 20252018701. The next prime is 20252018711. The reversal of 20252018710 is 1781025202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252018711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13149892 + ... + 13151431.

It is an arithmetic number, because the mean of its divisors is an integer number (1420271496).

Almost surely, 220252018710 is an apocalyptic number.

20252018710 is an abundant number, since it is smaller than the sum of its proper divisors (25196669162).

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

20252018710 is a wasteful number, since it uses less digits than its factorization.

20252018710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301348.

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 20252018710 in words is "twenty billion, two hundred fifty-two million, eighteen thousand, seven hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 26301323 52602646 131506615 184109261 263013230 289314553 368218522 578629106 920546305 1446572765 1841092610 2025201871 2893145530 4050403742 10126009355 20252018710