Search a number
-
+
20095630750 = 2531343143797
BaseRepresentation
bin10010101101110010…
…101111110110011110
31220212111110210222101
4102231302233312132
5312123440141000
613122023035314
71310663020516
oct225562576636
956774423871
1020095630750
1185825068a8
123a89b9bb3a
131b8344b790
14d88c9a846
157c935ae6a
hex4adcafd9e

20095630750 has 64 divisors (see below), whose sum is σ = 41455237824. Its totient is φ = 7247318400.

The previous prime is 20095630721. The next prime is 20095630781. The reversal of 20095630750 is 5703659002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67852 + ... + 211648.

It is an arithmetic number, because the mean of its divisors is an integer number (647738091).

Almost surely, 220095630750 is an apocalyptic number.

20095630750 is an abundant number, since it is smaller than the sum of its proper divisors (21359607074).

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

20095630750 is a wasteful number, since it uses less digits than its factorization.

20095630750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143870 (or 143860 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 20095630750 in words is "twenty billion, ninety-five million, six hundred thirty thousand, seven hundred fifty".

Divisors: 1 2 5 10 13 25 26 43 50 65 86 125 130 215 250 325 430 559 650 1075 1118 1625 2150 2795 3250 5375 5590 10750 13975 27950 69875 139750 143797 287594 718985 1437970 1869361 3594925 3738722 6183271 7189850 9346805 12366542 17974625 18693610 30916355 35949250 46734025 61832710 80382523 93468050 154581775 160765046 233670125 309163550 401912615 467340250 772908875 803825230 1545817750 2009563075 4019126150 10047815375 20095630750