Search a number
-
+
227699468728 = 231631237141161
BaseRepresentation
bin1101010000001111110…
…0100010100110111000
3210202201202201111020121
43110003330202212320
512212312030444403
6252334221503024
722310414356414
oct3240374424670
9722652644217
10227699468728
1188626461016
1238168111a74
1318619bb4364
14b040b9dd44
155dca1243bd
hex3503f229b8

227699468728 has 32 divisors (see below), whose sum is σ = 429906047760. Its totient is φ = 113058996480.

The previous prime is 227699468701. The next prime is 227699468729. The reversal of 227699468728 is 827864996722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227699468729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542468 + ... + 1683628.

Almost surely, 2227699468728 is an apocalyptic number.

It is an amenable number.

227699468728 is a deficient number, since it is larger than the sum of its proper divisors (202206579032).

227699468728 is a wasteful number, since it uses less digits than its factorization.

227699468728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142567 (or 142563 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 70.

The spelling of 227699468728 in words is "two hundred twenty-seven billion, six hundred ninety-nine million, four hundred sixty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 163 326 652 1237 1304 2474 4948 9896 141161 201631 282322 403262 564644 806524 1129288 1613048 23009243 46018486 92036972 174616157 184073944 349232314 698464628 1396929256 28462433591 56924867182 113849734364 227699468728