Search a number
-
+
650000007228 = 2231113378787883
BaseRepresentation
bin10010111010101110000…
…01010000000000111100
32022010202121200121000210
421131113001100000330
541122200000212403
61214334511552420
764650414620565
oct11352701200074
92263677617023
10650000007228
11230733071020
12a5b8382b710
13493aa7005c0
14236629b716c
1511d94714b03
hex975705003c

650000007228 has 48 divisors (see below), whose sum is σ = 1781818206336. Its totient is φ = 181818183360.

The previous prime is 650000007131. The next prime is 650000007257. The reversal of 650000007228 is 822700000056.

It is a junction number, because it is equal to n+sod(n) for n = 650000007195 and 650000007204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189392226 + ... + 189395657.

It is an arithmetic number, because the mean of its divisors is an integer number (37121212632).

Almost surely, 2650000007228 is an apocalyptic number.

It is an amenable number.

650000007228 is an abundant number, since it is smaller than the sum of its proper divisors (1131818199108).

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

650000007228 is a wasteful number, since it uses less digits than its factorization.

650000007228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378787914 (or 378787912 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 650000007228 in words is "six hundred fifty billion, seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 286 429 572 858 1716 378787883 757575766 1136363649 1515151532 2272727298 4166666713 4545454596 4924242479 8333333426 9848484958 12500000139 14772727437 16666666852 19696969916 25000000278 29545454874 50000000556 54166667269 59090909748 108333334538 162500001807 216666669076 325000003614 650000007228